Smooth and enlarge bead holes or holes of any kind with precision using this diamond bead reamer set. Designed for jewelers and beaders who need reliable, consistent results, the set includes two interchangeable diamond-coated reamers — a tapered cylinder and a cone shape — to handle a range of hole sizes in a single kit. Both reamers seat into the included wooden hand chuck via a collet for a secure, comfortable grip during use. Features Two interchangeable diamond-coated reamers included Tapered cylinder reamer for smaller hole sizing and smoothing Cone reamer for larger hole sizing and smoothing Wooden hand chuck with collet for secure reamer retention Suitable for smoothing and enlarging bead holes or holes of any kind Specifications Tapered Cylinder Reamer Range 0.8 mm – 1.7 mm Cone Reamer Range 1.7 mm – 5.7 mm Reamer Count 2 interchangeable reamers Chuck Type Wood hand chuck with collet What's Included 1 tapered cylinder diamond reamer (0.8 mm – 1.7 mm) 1 cone diamond reamer (1.7 mm – 5.7 mm) 1 wooden hand chuck with collet