Includes 6-in-1 swaging tool and flaring drill bits, sizes 1/4"(0.64 cm), 3/8"(0.95 cm), 1/2"(1.27 cm), 5/8"(1.59 cm), 3/4"(1.91 cm), 7/8"(2.22 cm), suitable for most copper tubes Built-in wire lock, holds up to 3.3 lbs of drill bits securely, allows quick connect and release for easy one-handed operation HSS HVAC repair tool for hardness and wear resistance, aluminum alloy bit holder for and resistance, and metal carabiner for strong load-bearing and sturdy use Copper pipe expander fits most standard 1/4" hex shank electric drills, and the bit holder fits most 1/4" hex shank pipe expanders, drill bits, extension bars, etc Metal carabiner with twist-lock opens with a quick twist and push, auto-locks when released, keeping HVAC flaring tools secure on your belt, backpack, or tool bag Color: As shown Material: Metal Specification: Package Contents: 2*pcs hvac tools 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.