Product description
Quality tools with diameters: 1/4" – 9/32" (6.4 – 7.2); 9/32" – 5/16" (7.0 – 8.0 mm); 5/16" – 11/32" (8.0 – 8.7 mm); 11/32" – 3/8" (8.7 – 9.5 mm); 3/8" – 13/32" (9.5 – 10.25 mm); 13/32" – 7/16" (10.25 – 11.0 mm) and 7/16" – 15/32" (11.0 – 12.0 mm). Tools are made from tempered alloy steel high in carbon and chromium; they offer high durability, strength, and low wear.