ITEM NAME:1pc 1/4" X 1/2" X 38mm Shank Flush Trim Router Bit Edge Tool Cutter #gib Store Home Promotion Hot Item Add to Fav.Jewellery & Watches. Cutter bit size: 1/2". Blade length: 1-1/2". Product weight: about 48g. 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.