This Dexter hex socket spanner has a 16/17 mm double-sided opening for turning hexagonal nuts and bolts. Its chrome-plated steel body adds strength and resistance to corrosion over time. It is used for tightening or clamping fixings firmly.

• Double-ended 16 mm and 17 mm hexagonal openings
• Length 149 mm
• Used to tighten or clamp fixings firmly