11Pcs 0.5-3.2mm Brass Drill Chucks Collet Bits 4.8mm Shank Screw Nut Replacement

It is durable and practical for you to use. Compatible with most of rotary tools used in hardware,hobby,home,etc. Made of pure brass material, made by special heat treatment, it has higher hardness and durability. Clamping Clamping Diameter:3.2mm, 3.0mm, 2.4mm, 2.0mm, 1.8mm, 1.5mm, 1.2mm, 1.0mm, 0.8mm, 0.5mm.

Specification: Color: gold. Material: brass. Overall length: 16mm. Shank diameter: 4.8mm. Clamping diameter: 0.5mm/0.8mm/1.0mm/1.2mm/1.5mm/1.8mm/2.0mm/2.4mm/3.0mm/3.2mm.

Package include: 10 * drill collect dhuck bits. 1 * screw nut.