IRWIN Record Medium-Duty Forged G-Clamp are a drop-forged steel clamp and the slim section permits use in situations where space is limited. Particularly useful for the craftsman with smaller work, the boat builder and the handyman. Have a blue stove enamelled finish. Come in the following sizes: REC1192: 50mm.REC1193: 75mm.REC1194: 100mm.REC1196: 150mm.IRWIN Record Medium-Duty Forged G-Clamp Size: 76mm (3 in). Throat depth: 38mm (1 1/2 in).Additional Information:• Clamp Type: Medium-Duty• Capacity (mm): 75• Size (in): 3• Throat Depth (mm): 38