Chromium-plated finish for the highest durability; Size of screw thread taps : M3*0.5, M4*0.7, M5*0.8, M6*1.0, M8*1.25; Usage: For Taps M3-M8; Length of Wrench: 85mm / 3.35in
Easily switched from left to right handed operation, or locked for non-ratcheting use
T-Handle Ratcheting Tap Wrenches Three position gear box for quick, efficient ratcheting action Designed for use with taps and can also use on the left hand tap , reamers, screw extractors and other tools with a square shank