[Size] Shank Diameter: 4.3mm/0.17", Sandwich Clamping Specifications: 3.2mm, 3.0mm, 2.4mm, 2.0mm, 1.8mm, 1.5mm, 1.2mm, 1.0mm, 0.8mm, 0.5mm (10 sizes in total). Please confirm the correct size before purchasing.
[Material] Made of copper material, not easy to wear, durable and lasting performance. It's a great substitute for your product.
[Application] Suitable for installation drill, electric grinding, hanging mill, hose above.
[Compatibility] Compatible with most rotary tools used in hardware, hobby, home etc. Small, delicate and strictly functional, save your work.
[Function] Change the clamping capacity of the electric grinder and solve the blind zone of the clamping path, and the holding accessories are more stable.