Durable alloy rail. 12.7 mm (1/2) square drive, for use of standard spanners
1/2 12pt. Flank deep socket 8 1/2 12pt. Flank deep socket 9 1/2 12pt. Flank deep socket 10 1/2 12pt. Flank deep socket 11 1/2 12pt. Flank deep socket 12 1/2 12pt. Flank deep socket 13 1/2 12pt. Flank deep socket 14 1/2 12pt. Flank deep socket 15 1/2 12pt. Flank deep socket 16 1/2 12pt. Flank deep socket 17 1/2 12pt. Flank deep socket 18 1/2 12pt. Flank deep socket 19