FAMAG Plug in Countersink, Hobby, Economy, Tool Steel, I 5 MM, F353700500 Countersink with five edges and point angle 90 to be clipped on drill bits. For DIY clientele. Without allen key. Drilling and countersinking in one single operation. For clipping on drill bits with the appropriate . Very suitable for soft wood, 3537, 353700500 GBP 11.39 1