Hand Seamer, Jaw Width 4 In., Jaw Depth 1-1/2 In., Metal Gauge 16 Mild/18 Galvanized/20 SS, Number of Pieces 1, Overall Length 8 In., Safety Latch No, Material Steel, Handle Design Ergonomic, Handle Color Gray, Graduation Type 1/4 In. Increments for Depth, Features Torque Lock Allows Faster Setup, Locking Seamer Jaws, Hardened Jaws, Forged Alloy Steel, Lever Release