Jet 683951 3/4-inch Drive Impact Socket Extension, 6-inch Long Accessories They are made of brass

They are made of brass

Clear permanently etched graduations

Ideal for heavy duty jobs such as heavy bur and scale removal

24 tooth Chrome Vanadium ratchet gear (Chrome Molybdenum on 3/4-Inch model) Reversible ratchet Dual ft/lbs and Nm scales Patented lock ring Comfortable ergonomic handle grip Complete with protective blow mould case Perceptible jolt and audible click to indicate desired setting has been reached All models are factory calibrated to Plus /-4-Percent with certificate and meet ISO 6789

BSEN 26789-1994 and U

Jet 683951 3/4-inch Drive Impact Socket Extension, 6-inch Long Accessories They are made of brassSockets made of the finest quality s. a. e. 4140 chrome molybdenum high impact steel , Meets or exceeds u. s. federal specs: ggg w 660a and ansi specifications , Professional quality