FR4产品概述
Features:
Patented Ratchet Feature Turns Bolt with Just 5° Handle Swing Vs. 30°
Closed End Works in Places Deep Sockets Will Not Reach
Open-End Jaw Surfaces Are Parallel to Within ±0.015"
72 Tooth Ratcheting Mechanism Receives Special Heat Process
Tool Exceeds ANSI Torque Loads for Standard Combination Wrenches
Mirror Finish Chrome Vanadium Steel for Maximum Strength, Durability
Ratcheting Closed End Uses 12 Points of Contact, Less Stress to Fastener