Record Irwin drop forged steel clamp. Slim section permits use in situations where space is limited. Particularly useful for the craftsman with smaller work, the boat builder and the handyman. Blue stove enamelled finish. Size: 46 mm. Throat depth: 21 mm. The Record Tools factory was swiftly able to make a long lasting contribution to the worldwide reputation of the region for the manufacture of high quality steel and castings. The Record brand name was introduced in 1909 and by the 1920's the product range had expanded into vices, planes, clamps and pipe wrenches.