High Speed Steel Cobalt Titanium Spot Welding Cutter Drill Bit Tool Set Product Selling Point: REMOVE SPOT WELDS EFFORTLESSLY: Use the ABN Spot Weld Cutter 3-Piece Drill Bit Set - High Speed Steel HSS Cobalt Titanium Coated Weld Remover Bit Tool Kit to drill into steel materials harder and stainless steel; The length of each wick is 1 3/4 inches (45 mm); Sizes include 1/4 inch (6.5 mm), 5/16 inch (8 mm), and 3/8 inch (10 mm); Each bit has permanently etched size marks for identification fast SPECIALLY DESIGNED: Unlike pilot drills that drill through both surfaces, these drills are easy to control while cutting without penetrating the bottom surface; Special non-slip centering tip design with shank flat for a secure grip BUILT TO LAST: Titanium coating provides a smooth drilling experience that prevents dulling from overheating for extended performance; We recommend using a cutting lubricant and a soldering chisel per points to extend the life of these bits (lubricant and chisel not included) EASY STORAGE: Sturdy 3.9 x 3 x 1.1 inches (9.9cm x 7.6cm x 2.8cm aluminum carrying case with internal foam tray for easy transport, safe storage and quick organization; Foam tray includes markings sizes printed for easy identification PACKAGE CONTENTS: Package includes (3) bits and (1) storage case for your convenience; Length 1-3/4 inches (45mm); Sizes: 1/4 (6.5mm), 5/16 (8mm), and 3/8 (10mm) Specifications: Material: high speed steel Size: 45mm Quantity: 3Pcs The product includes: 1 set of welding drill