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Item specifics Brand Name: Brand New Model Number: POA516056 Type: Gun Drill Bit Material: High Speed Steel Use: Wood Drilling is_customized: Yes DIY Supplies: Woodworking Product Description HSS Titanium Coated Step Drill Bits Set,Shank 1/4" & 3/8"Features:1. Unique ladder structure, 1/4”& 3/8" round shank. Straight grooves.2