F clamps for woodwork and high-performance clamping We have 4 sets F-clamps,Ductile Iron made F-clamps with good performance, including wooden and plastic handle;Forged steel made F-clamps with strong force;Lever clamps with Speed, safety and strength and for high performance clamping;T bar clamps for sash clamping with large range.All sets are with good finish by powder coating.