Step Drill Bit Set, 5 Pcs Titanium Coated High Speed Steel Step Drill Bits with 1 Pc Automatic Center Punch for Drilling Sheet Metal, DIY Project

Material: High Speed Steel Body, Titanium Coating Measurement System: Imperial Drill Bit Specification: 10-Step 3/8” Drill Bit from 1/4” to 1-3/8” 11-Step 3/8” Drill Bit from 3/16” to 7/8” 9-Step 3/8” Drill Bit from 1/4” to 3/4” 12-Step 1/4” Drill Bit from 1/8” to 1/2” 6-Step 1/4” Drill Bit from 3/16” to 1/2” Center Punch Specification: Thimble Hardness: HRC 58-62 Length: 5” Diameter: 0.5” Weight: 550g/1.21lbs (including the case)

Package Includes: 5xStep Drill Bits 1xCenter Pun.