Specification: Material: Stainless Steel Color: Silver Size: Approx. 24*90mm Thread Diameter: Approx. 16mm Shank Thread Diameter: Approx. 6mmER16 Clamping Range: 1.0 to 10.0mm Feature: By grinding inside and outside the products, the surface is smooth and shiny. The ontology accuracy is from 0.005 to 0.01. High strength and hardness. to use. It is used to fasten locks, screwdrivers, milling cutters, reamer, etc. Suitable for ordinary lathe and drill drilling machine, instead of ordinary chuck, the products are divided into after drawing (with threaded hole). Package Included: 1 x Collet Holder Note: Please allow 1-5mm errors due to manual measurement. The item color displayed in photos may be showing slightly different on your computer monitor because monitors are not calibrated same. Payments1. We accept Alipay, West Union, TT. All major credit cards are accepted through a secure payment processor escrow.2. Payment must be made within 3 days of placing the order.3. If you are unable to check out immediately after the listing ends, please wait a few minutes and try again, payments must be completed within 3 days. Shipping1.