Manual punching hole expanding drill, non-electric tool. It adopts excellent aluminum alloy shell and environmentally friendly brass core, and is suitable for drilling wood, Bodhi seed, Bone Horn, Amber, olive nut, walnut, plastic and other materials.

This hand drill consists of an alloy shell and two brass cores, each core has two ends, a total of four heads, can be replaced by core

Specification: about 103MM long + about 10mm diameter

Clamp small tools such as twist drill/round bar/round brush pot screwdriver bits/round brush pot cutter head within 0.3-3.2mm,

Product Weight: 25g

More than 1000 sets can be customized (style, size, and range), large quantity and excellent price