Product Dimensions: F-clamp openings up to 6 in/160 mm. Throat depth up to 80 mm. Flexible and compact, it is suitable for clamping most sizes of wood. GUARANTEE BALANCE: This woodworking clamp features alloy steel spacers and a removable head for opening the jaws. This reduces marks after clamping and prevents damage to the object. Dropped Forged Arm: This heavy-duty F-type clamp is made of drop-forged alloy steel. Black lead oxide screws and pins are rust-resistant and not easy to deform. Anti-slip buckle: The bottom of the guide bar is designed with an anti-slip buckle to prevent it from sliding too quickly or falling off. MULTIFUNCTIONAL: This wood clamp can be used for clamping, fixing, and fastening wood and steel. Widely used in furniture manufacturing, woodworking, welding, and other fields.