This Expert bi-hexagon socket is designed for efficient fastening and unfastening of nuts and bolts. With a 21mm size and 3/8in drive fitting, it is suitable for a wide range of mechanical applications. It is a valuable addition to any mechanic's or DIY enthusiast's toolkit.
You may return unused products in their original packaging within 30 days. We can arrange a collection (£6 charge) or you can return via your own courier.