7018438

Strattec Bolt Lock 5/8" Class III/IV Receiver Lock for GM Vehicles Using the B106 keyblank. This is a 5/8” Diameter Pin For Class III & IV Receivers (2” Square Receivers) and features an Auto-Return Spring that Automatically Locks When Key is Removed, with a Solid Stainless Steel Pin for Durability, 6 Plate Tumbler Sidebar Prevents Picking and Bumping, Automotive Grade Stainless Steel Lock Shutter Keeps Out Weather and  Debris.This lock comes bagged and is the same as the 7018446 retail package.