Find the right heavy duty wheel hardware quickly and easily using this convenient Dorman thread checker. It covers all the most popular HD thread types, and allows you to measure length and thickness. A must-have for any store or garage countertop.

Dorman HD Thread Checker 133845 Features:

• Universal application; verify fitment using vehicle specifications
• Convenient solution — this heavy duty wheel hardware thread checker makes it easy to find the right nut or bolt size and thread type
• Multiple measurements — allows you to check standard and metric threads, as well as length and diameter for most popular HD hardware types
• Countertop display — a must-have for any store or fleet garage to easily get an exact hardware match
• Exclusive design — only available from Dorman, the automotive aftermarket's hardware pioneer