WORKPRO 13 Pcs Spade Drill Bit Set in SAE with Nylon Storage Pouch

Constructed from carbon steel with heat-treated for durability, head with polished surface for longevity.
Cutting edge with double side cutting spurs of high quality for durable and quick drilling effortlessly.
Quick-Change Hex Shank, with groove for reducing slipping and preventing falling off, safety.
Chip removal for smoothly increased drilling speed.
Universal for the most drill driver tool of brands in the markets, the hex shank is 1/4.

Size: 1/4", 5/16", 3/8", 1/2", 9/16", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4"、1-3/8"、1-1/2"

Shank size: 1/4"

Item Weight: ‎1.41 ounces

Product Dimensions: ‎9.84 x 3.94 x 1.57 inches

Material: Alloy Steel