Pinnaco 16Pcs Woodworking Self Centering Drill Bit Set with Hex Key for Window Door Hinges

Made of high speed steel with durability and wear-resistance, which can be used for a long time. Ideal for woodworking to quick disconnect adapters, such as wood window or door knockers, etc. 8 kinds of sizes are availiable to meet your daily working needs. automatic positioning center design increases positioning accuracy and efficiency. 17 pieces of luxury package includes 16pcs self centering drill bits and 1pc hex key.