7-Piece Square Drill Bit Set for Woodworking: 1/4in, 5/16in, 3/8in, 2/5in, 1/2in, 9/16in, 5/8in HSS Mortising Chisel Drill Bit Set, Wood Hole Saw, Square Drill Bit with Case

Specification: Item Type: Square Drill Bits for Woodworking Material: HSS Hole Drilling Size: 6.4 mm (1/4 inch) 8.0 mm (5/16 inch) 9.5 mm (3/8 inch) 10 mm (2/5 inch) 12.7 mm (1/2 inch) 14 mm (9/16 inch) 16 mm (5/8 inch)

Package List: 7 x Square Drill Bits for Woodworking 7 x Storage Box

["SHARPLY CHISEL: These drill bits are equipped with a sharp, square chisel to improve your work efficiency.","HSS MATERIAL: Made from high-speed steel, heat-treated, these square drill bits have high hardness and a long service life.","PRECISE SIZE: These square hole drill bits are well-made, with a precise size, and can perfectly match power tools.","Set of 7 pieces: A total of 7 drill bits with specifications of 1/4", 5/16", 3/8", 2/5", 1/2", 9/16", and 5/8" for your use to meet different needs. "WIDELY USED: Square drill bits are very suitable for drilling square holes in wood with a mortising machine or mortising accessories."