Ko-Ken 3726Z 3/8 Sq. Dr. Ratchet Handle 72 teeth Flexible Head Length 178mm Z-series
Ko-Ken 3726Z 3/8 Sq. Dr. Ratchet Handle 72 teeth Flexible Head Length 178mm Z-series
Ko-Ken 3726Z 3/8 Sq. Dr. Ratchet Handle 72 teeth Flexible Head Length 178mm Z-series
Ko-Ken 3726Z 3/8 Sq. Dr. Ratchet Handle 72 teeth Flexible Head Length 178mm Z-series
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Ko-Ken 3726Z 3/8 Sq. Dr. Ratchet Handle 72 teeth Flexible Head Length 178mm Z-series

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  • Drive Size : 3/8 Inch
  • Length : 178 mm
  • Gear Teeth: 72 Teath
  • Head Thickness: 24.5mm
  • Made In Japan
Overview
We designed the new 72 tooth ratchet without compromising on our traditional strengths. The patented design of the 72T combines the low backlash, small size, and has a 10% higher torque limit in comparison to the 36 tooth ratchet. The legacy 36 tooth ratchets move 10°/click. The new 72 tooth ratchets move 5°/click.
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Ko-Ken 3726Z 3/8 Sq. Dr. Ratchet Handle 72 teeth Flexible Head Length 178mm Z-series

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Specifications
General Information
Brand
Ko-Ken Tools
Part Number
3726Z
Product Type
Ratchets & Handle
Packaging
Bulk
Country of Origin
Japan
UPC
4991644060177
California Residents
Proposition 65 Warning
Physical Characteristics
Length
178 mm
Weight
0.32 kg
0.70 lb
Details
Drive Connector Size
3/8 Inch
Features
Drive Size : 3/8 Inch
Length : 178 mm
Gear Teeth: 72 Teath
Head Thickness: 24.5mm
Made In Japan
Video
Ko-ken ratchets are known for their very low backlash, small head sizes, and high torque ranges. We designed the new 72 tooth ratchet without compromising on our traditional strengths. The patented design of the 72T combines the low backlash, small size, and has a 10% higher torque limit in comparison to the 36 tooth ratchet. The legacy 36 tooth ratchets move 10°/click. The new 72 tooth ratchets move 5°/click.
The design changes include moving from the single pawl of the 36 tooth design to the patented dual pawl of the 72 tooth design. The dual pawl 72 tooth design utilizes a single spring. We took four years of testing to perfect the low spring pressure needed to maintain Ko-ken's hallmark low-torque backlash. The finer 72 teeth design creates more surface area contact with the gear; thus, it has a 10% higher torque upper limit.
The 72T is being released in the Z-Series 3/8" ratchets only in 2021. We will be releasing the 72T in ¼" and ½" sizes, without compromising the body sizes and low backlash as our testing allows. Look for more new product releases in 2022.
About Manufacturer
Ko-Ken Tools

Upgrade your toolbox with Ko-Ken Tools, a brand synonymous with top-tier precision craftsmanship. From industry-standard wrenches and sockets to versatile pliers and reliable screwdrivers, Ko-Ken Tools delivers the perfect blend of durability and accuracy. Trusted by professionals and tailored for enthusiasts, each tool is a testament to excellence, ensuring unparalleled performance in every project. Elevate your workmanship with Ko-Ken Tools - where quality meets innovation.

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