1. Material: chrome vanadium steel
2. Purpose: expanding tube reamer
3. Reaming specifications: 3/5/16/19/6/8/10/14/15mm
4. Packing list: pipe cutter x1, reamer x1, chuck x2, shaping head x4
5. Size: about 16.5x24x5.3 cm/box
6. Weight: about 1340g/set