ITEM NAME:3.17mm Micro Drill Bit Clamp Fixture Brass Electric Motor Shaft Chuck A#S Product Description Description: Specifications: Material: Brass Product weight: 15g Product usage: Micro drill bit clamp Suitable for motor shaft diameter: 3.17mm/ 1/8 inch Suitable for drill bit diameter: 0.8-1.2mm / 0.03-0.047inch Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement. Included: 1 X Drill Bit Clamp.Product usage: Micro drill bit clamp. Included: 1 X Drill Bit Clamp. Material: Brass. If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item.