Milling Cutters Collet Extension For Engraving Cutters Feature:1. Made of high quality hard alloy, high hardness, high strength, not easy to break.2. With extremely strong clamping force to ensure stability during use.3. It can extend the distance between the blade and the drill bit of the engraving machine, making the engraving distance more suitable.4. Extend the length of the shank cutter and make the woodworking project more flexible.5. 1/4 shank, 8mm shank and 1/2 shank for your choice, easy to use. Specification:Item Type: Trimmer ExtensionMaterial: Cemented CarbideOptional Cutter Extension: 1/4 shank, 1/2 shank, 8mm shankOptional weight:1/4 shank: weight: 107g/3.8oz (approx.) 8mm shank: weight: 84g / 3oz (approx.) 1/2 shank: weight: 131g / 4.6oz (approx.) Package list: 1 x extension 1) We accept Alipay, West Union, TT. All major credit cards are accepted through secure payment processor ESCROW. 2) Payment must be made within 3 days of placing the order. 3) If you can't checkout immediately after auction close, please wait for a few minutes and retry Payments must be completed within 3 days. About shipping 1.