• 1/2” (12.7 mm): 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 mm(L=38 mm) 27, 30, 32 mm (L=42 mm) • 1/2” (12.7 mm) (127 mm) CrV 50BV30 • 1/2” (12.7 mm): 16, 21 mm CrV 50BV30 • 1/2” (12.7 mm) (255 mm) CrV 50BV30 • 1/2” (12.7 mm) (255 mm) • 1/2” (12.7 mm) (317 mm) CrV 50BV30 • 1/2” (12.7 mm) (F) x 3/8” (9.5 mm) (M) CrV 50BV30