Material: Cr-Mo   Size:17mm/19mm /21mm    75L

Design for .

Use these dedicated sockets every time you remove damaged/distorted lug nuts with steel caps.  These lug nuts become distorted due to improper leverage using the factory supplied tire iron.  Removing over-torqued lug nuts during extreme cold/heat also distorts lug nut cap. .  Comes in a blow molded carrying case