Proxxon delivers the goods with this ultimate 21 piece set of box end spanners. With small bolts handled from the 6mm size all the way up to larger bolts up to 32mm size, you'll have the situation covered. Proxxon tools are fabricated from CRV steel to fight corrosion and rust.

• Precision engineered spanner set
• CRV steel is rust resistant
• 21 piece complete spanner set: 6, 7, 8, 9, 10 ,11, 12, 13, 14, 15, 16 ,17, 18 ,19 ,20, 21, 22, 24, 27, 30, and 32mm
• Proxxon limited lifetime warranty