1-5/8" X 3" nACo (Nano-Composite) Coated Blue Annular Cutter Quantity:1 The end of the extension

The end of the extension has a spring-loaded pin detent that locks into the through hole on a socket

The wrenches are abrasive-blasted to create a finely textured satin finish and then plated with corrosion-resistant nickel

Part Number: 43CNCPLB

Stout Shank – We heat-treat AISI 8650 steel

The set includes 1/4 inch drive shallow 6-point and deep length sockets with a 90-tooth ratchet and other accessories in an open top drawer and a stacking drawer rack

1-5/8" X 3" nACo (Nano-Composite) Coated Blue Annular Cutter Quantity:1 The end of the extensionProduct Description nACo Blue Coated Annular Cutters provides prolonged tool life compared to traditional HSS. Cuts difficult materials, including steel, cast iron, heated and stainless steels. m2 High Speed Steel. Cuts only necessary material for fast, efficient, quality hole making. 3 4" Weldon Shank fits most magnetic drill presses. Also called magnetic drills or mag drills. For use with magnetic drill press only. Do not use with a standard hand