About this item

PARAMETERS --- 1, Diameter: 43mm/1.69inch 2, Length: 58mm/2.8inch 3, Connection Size: 1/2-20UNF 4, Clamping Range: 2~13mm/0.04~0.51inch EASY TO USE --- The drill chuck can hold the drill bit firmly and securely, not easy to loosen Easy to install and disassemble, more convenient and labor-saving COLLET RANGE 2~13mm --- Keyless Hand Drill Chuck--Wide range of collet sizes from 2~13mm, suitable for many types of drills AN IDEAL ACCESSORY --- Wide range of collet sizes from 2-13mm, suitable for many types of drills. Following human engineering., Suitable for long-term work KEYLESS DESIGN --- Cordless Drill Chuck--Keyless and self-locking type design is more in line with human engineering..