Easy to carry: wood carving drill bit set is packaged in a small plastic box with individual slots, which is easy and convenient to carry and store, no need to organize and always keep it neat.Practical gifts:These wood carving bits for tools with drill chuck converter are practical and thoughtful gifts for your closed friends, family members or relatives who enjoy woodworking or other engraving work, to show show your care and support.Size:Wood carving kit: about 1/8 inch , 1/4 inch head lengthHex keyless drill chuck: about 23 x 13 mm/ 0.91 x 0.51 inchPackage includes:10 x Double Cut Carving Bits1 x Keyless Replacement BitColour:black + silverMaterial:Aluminum alloy + tungsten carbide steelPackage Contents:1set x file for metalOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.