Catalog number: UN-4 Features: ●Allows bolt and nut installation and removal in tight spaces. Applications: ●Allows bolt and nut installation and removal in places with obstacles. Specifications: ●Drive socket size (mm): 12.7 Material/Finish: ●Special alloy steel Caution: ●Be sure to use a size that matches the two-face width of the bolt or nut. ●Do not use for any purpose other than the intended purpose of the tool.
