6.35mm Hexagonal handle, stable clamping, easy to disassemble and assemble Widely compatible, not easy to slip Drill bits for water pipe expansion punch,Use with electric drill Product model: #20(Applies to 1/2 inch Water Pipe(#20)) corresponds to drill bits 15-19 #25(Applies to 1/4 inch Water Pipe(#25)) corresponds to drill bits 18-24 #32(Applies to 1 inch Water Pipe(#32)) corresponds to drill bits 24-31 Colour:gold Material:Metal Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 3 * PPR drill bit 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.