Inside Pipe Cutter, Mellbree 1/4" Hex Shank PVC Plumbing Inside Cutter Internal Plastic Pipe Cutter Set (32mm Saw Blades*3, 44mm Saw Blades*1）
£9.99Extension rod (first) – serrated washer – saw blade – flat washer – screw (last). The screws must be tightened and reinforced! Refer to the fourth photo for example