Steel: 31CrV3 38-42 HRC Nickel coating Size: 22 mm A: 130 mm d: 16 mm Length: 325 mm The balloon wrench is used for mounting/dismounting threaded connections when replacing car wheels. The shovel located on the reverse side of the wrench is used for wheel disassembly and also functions as a mounting tool. The A clearance and thin but strong head part are designed for using the wrench with any type of wheel rims. The entire length of the wrench undergoes complete heat treatment.