ITEM NAME:1/4 inch Shank 90mm Router Bits Collet Extension Rod For Milling Cutter Machine Product Description Description: 1/4 inch Shank 90mm Router Bits Collet Extension Rod Handle for Milling Cutter Trimmer Engraving Machine Specifications: Product material: Brass Product size: 90*22*22mm/3.54*0.87*0.87" Product weight: 104g Lengthening handle size: 0.25 inches Packing: OPP bag Usage: lengthening the head of a 1/4''handle. 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 1/4 inch Shank 90mm Router Bits Collet Extension Rod.Usage: lengthening the head of a 1/4"handle. 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. If item is defective after 3 months, you can still send it back to us.