Size: 1 or 2 or 3 or 4 inch size, PPR water pipe internal thread opener pvc plastic pipe electric manual internal thread tool [ blade] The of these drill bits provides high processing accuracy, resulting in clean, smooth drill holes for improved efficiency. [Multiple applications] These PPR jacking drill bits are designed for materials such as PPR plastic products and are ideal for hole opening and hole expansion tasks. Function: Used to clean or rethread or clogged pipe threads. Versatile: Applicable to pipe fittings without additional treatment or coating. Durability: Heat-treated steel, structure, high hardness, resistance Colour:grey Material:bearing steel Package Contents: 1 x PPR water pipe opener Only 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.