Starrett KCS03001 3 Pcs Cordless Smooth Cut Bi Metal Electrician\'s Hole Saw Kit 20-32mm This Starrett KCS03001 Hole Saw Kit consists of 3x Starrett\'s original, smooth cutting hole saws, in sizes 20mm, 25mm and 32mm. With high speed steel teeth and tough alloy body and cap, these hole saws are ideal for cutting stainless steel, wood and more using battery operated power tools. CONTENTS 1x 20mm Hole Saw 1x 25mm Hole Saw 1x 32mm Hole Saw 3x Arbors 3x Pilot Drill BIts FEATURES Constructed of hardened heat and abrasion resisting high speed steel teeth with a tough alloy body and cap, giving exceptional strength, durability and shatter resistance Designed for use with battery operated power tools - will cut twice as many holes as the equivalent standard hole saw per battery charge Ideal for cutting stainless, tool and mild steel sheeting plus plasterboard, wood and thin plastics Complete assembly - there is no requirement to purchase a separate arbor and pilot drill Constant pitch teeth provide exceptionally smooth cuts Pitch 8 teeth per 25mm/inch Safety stop at the base of the hole saw prevents drilling beyond maximum cutting depth Cutting depth of 6mm (1/4\") SPECIFICATION Hole Saw Pack Qty: x3 Pcs Arbors: 3 Cat. No.: KCS03001 Cutting Depth: 6mm / 1/4\"