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Koken

Review rating Review rating Review rating Review rating Review rating 4.6 Fact checked

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When purchasing a product, price is the consumer's primary concern. At present, Koken has 288 products for sale. Koken products range in price from $15.89 to $140.5, and the average price of all the products is about $75.01.

We found that most of the Koken products are manufactured by 山下工業研究所, Ko-Ken USA, and Koken Tools. The manufacturers provide Koken with a steady supply of products, and they have a good cooperative relationship with each other.

You can confidently purchase Koken products from the seller UJC Mart Japan. The brand holds an average rating of 4.6, testifying to its excellent reputation.

Koken Best Sellers

Last Updated: Jan 8, 2026

Koken Z-EAL 3/8 (9.5 mm) SQ. Ratchet Handle, Total Length: 7.0 inches (178 mm) 3725Z

Size D: 1.1 inches (28 mm)
Weight: 8.8 oz (254 g)
Size T: 0.9 inches (24.5 mm)
Size L: 7.0 inches (178 mm)
Size H: 0.5 inches (13.7 mm)

Ko-ken 14145PM.110-22 1/2 Sq. Dr. Wheel Nut Socket 22mm Extra Thin walled Length 110mm Color coded Protector

Input Drive Size : 1/2"
Input Drive Shape : Square
Type : 6 Point Wheel Nut Long Socket Extra Thin Walled - Color Coded
Output Size : 22mm
Opening : 6pt.

Ko-ken 14201M 1/2 Sq. Dr. Wheel Nut Socket 3 piece Set, 17-21mm, 6 point Thin Wall and Color Coded by Size

Input Drive Size: 1/2"
Drive Shape: Square
Type: 3 Pc. Wheel Nut Socket Set
Output Shape: 6pt
Output Sizes: 17mm, 19mm, 21mm

Ko-ken 2726ZB-3/8(L160) 1/4" Body 3/8" Sq. Dr. Ratchet Handle 72 teeth Flexible Head Length 160mm Quick Release Z-series

Input Drive Size: 3/8"
Drive Shape: Square
Length: 160mm
Head Type: Flex Quick-Release
Gear Teeth: 72 Teeth

Ko-ken RS3450M/10 3/8 Sq. Dr. Socket set 10mm-22mm Nut Grip 250mm 10 pieces

Drive Size: 3/8"
Type: 10 piece Nut Gripper Rail Set
Includes: 3450M Nut Grip Sockets (10, 11, 12, 13, 14, 15, 17, 19, 21, 22)
Rail: 250mm

Ko-ken 3726ZB-280 3/8" Sq.Dr. Ratchet Handle 72 teeth Flexible Head Length 280mm Quick Release Z-series

Input Drive Size: 3/8"
Drive Shape: Square
Length: 280 mm
Head Type: Flex Quick-Release
Gear Teeth: 72 Teeth

Ko-ken 3715SLK T Handle 3/8 Square Length 236 x 200mm Sliding Bar Free Turn Grip

Length: 236 x 200mm
Type: T-Handle
Output Size: 3/8"
Drive Shape: Square
Free Turn Grip: Yes

Ko-ken 3725ZB 3/8" Sq.Dr. Ratchet Handle 72 teeth Length 178mm Quick Release Z-series

Input Drive Size: 3/8"
Drive Shape: Square
Length: 178mm
Head Type: Fixed Quick-Release
Gear Teeth: 72 Teeth

Ko-ken AN318A 3/8 Sq. Dr. Attack Driver Set Rubber Grip 6 pieces

Input Drive Size: 3/8"
Drive Shape: Square
Type: Attack Driver Set with Rubber Grip
Includes: Phillips Bits: 2, 3, Slotted Bits: 9,11, Driver and Bit Holder

Ko-ken 2726ZB-3/8 1/4" Body 3/8" Sq. Dr. Ratchet Handle 72 teeth Flexible Head Length 114mm Quick Release Z-series

Input Drive Size: 3/8"
Drive Shape: Square
Length: 114 mm
Head Type: Flex
Gear Teeth: 72 Teeth

Ko-ken RS3450M/8 3/8 Sq. Dr. Socket set 8mm-19mm Nut Grip 200mm 8 pieces

Input Drive Size: 3/8"
Drive shape: Square
Type: Nut Grip Socket Rail Set
No. of Pieces: 8
Sizes Included: 8, 10, 11, 12, 13, 14, 17, 19

Ko-ken PK3763/6 3/8 Sq. Dr. Wobble-Fix Extension Bar set 32-250mm ABS Tray 6 pieces

Input Drive Size: 3/8"
Drive Shape: Square
Includes: 3760 Extension Bars (32, 50, 75, 125, 150, 250 mm)
Output Sizes:32, 50, 75, 125, 150, 250 mm
Pieces: 6 Extension Bars and 1 ABS Tray

Ko-ken 13772-P 3/8 Sq. Dr. Universal Double Joint 3/8 Square Length 75mm Pin type

Input Drive Size: 3/8"
Drive Shape: Square
Length: 75mm
Type: Pin Type Universal Double Joint
Output Size: 3/8" Square

Ko-ken 2725Z-72T 1/4" Sq.Dr. Ratchet Handle 72 teeth Length 114mm Z-series

Ko-ken 2725Z 1/4" Sq.Dr. Ratchet Handle 72 teeth Length 114mm Z-series

Input Drive Size: 1/4"
Drive Shape: Square
Length: 114mm
Head Type: Fixed
Gear Teeth: 72 Teeth

Ko-ken 2756Z 1/4 Sq. Dr. Quick Spinner 1/4 Square Length 18mm Z-series

Input Drive Size: 1/4"
Drive Shape: Square
Length: 18mm
Type: Quick Spinner
Output Size: 1/4"

Ko-ken 3772Z 3/8 Sq. Dr. Universal Double Joint 3/8 Square Length 65mm Z-series

Input Drive Size: 3/8"
Drive Shape: Square
Length: 65mm
Type: Universal Joint
Output Size: 3/8"

Ko-ken 3726Z-280-72T Z-Series 3/8" Sq.Dr. Flexible Ratchet, Reversible (L=280mm), 72 Tooth

Ko-ken 3725ZB-280 3/8" Sq.Dr. Ratchet Handle 72 teeth Length 280mm Quick Release Z-series

Input Drive Size: 3/8"
Drive Shape: Square
Length: 280mm
Head Type: Fixed Quick-Release
Gear Teeth: 72 Teeth

Ko-ken RS2400MZ/12 1/4 Sq. Dr. Socket set 4-14mm 6 point Z-series 12 pieces

Input Drive Size: 1/4"
Drive Shape: Square
Includes: 2400M Sockets (4, 4.5, 5, 5.5, 6, 7, 8, 10, 11, 12, 13, 14)
Type: Socket Set on Rail

Koken FAQs

Yes, Koken is a legitmate brand on Amazon. After conducting a comprehensive analysis of 204 customer reviews for Koken products on Amazon, we have determined its average rating. With a strong performance and good quality, Koken has received an average rating of 4.6 from numerous buyers, indicating that Koken are trustworthy and live up to their claims. Therefore, it is safe to make purchases from Koken on Amazon.

Amazon has strict policies and safety measures in place that ensure only legitimate sellers and products are allowed on their platform. It also provides a secure payment gateway and offers buyer protection, ensuring your transaction is safe. In the unlikely event that there's an issue with your purchase, Amazon's customer service and return policies are designed to protect your interests.

If you're interested in Koken and want to find more Koken products, you can follow the steps below:

  1. Go back to FindThisBest's homepage.
  2. Type Koken in the search box and hit Enter to see the search results.
  3. Find and click the correct Koken to go to the new page.
  4. Select the products you want in the Koken buying guide, and take a glance at the prices and features of the products.
  5. View the products interest you on Amazon to read the customer reviews and check the ratings. Besides, you can hit the "brand" to find more Koken products.

We analyze millions of Koken products reviews and customer reviews to recommend the best picks for most consumers. We have a professional team with decades of experience to test the products, which can help ensure that we provide our readers with accurate advice and best recommendations.

There are usually 5 to 10 products in a brand buying guide. We found 288 Koken products for sale, 20 of which were analyzed in detail and recommended to customers.

  1. Go to the Koken page.
  2. Select the product you want in the Koken buying guide, and then view the product on Amazon. For example, if you are interested in the top 1 product Koken Z-EAL 3/8 (9.5 mm) SQ. Ratchet Handle, Total..., you can view it on Amazon page.
  3. Place your order on Amazon.

Most of the Koken products are produced by 山下工業研究所, Ko-Ken USA, and Koken Tools. The manufacturers provide Koken with a steady supply of products, and they have a good cooperative relationship with each other.

Our mission is to provide you with the most up-to-date and objective information about the Koken products, helping you make more informed buying decisions. We recommend best choices of the products from the Koken brand, helping you make better shopping choices with less time and energy.