Vintage BRITOOL 2J3137 5/16AF x 3/8AF Open Spanner, British made in the 1980s. This steel tool is a must-have for any mechanic or collector. The Britool brand is known for its quality and durability, and this 2J3137 spanner is no exception. With its modified no-slip design, this spanner provides a secure grip, making it easier to tighten or loosen bolts and nuts. Its compact size makes it perfect for tight spaces. Add this old-school tool to your collection or use it for your next DIY project.