Trigger Clamp Clamping Capacity 12 in Throat Depth 3 1/4 in Clamping Force 300 lb Jaw Pad Type Soft-Touch Grooved Jaw Pad Height 1 3/4 in Jaw Pad Width 1 3/8 in Spreading Capacity - Maximum 17 3/4 in Spreading Capacity - Minimum 6 1/4 in Bar Material Steel Handle Material Plastic Tool Operation Type One Handed