Push & Pull Clamp With a 90 Degree Handle ~ 800 Lbs. of holding capacity. ~ Ductile iron base for close fit machining, strength and durability. ~ All parts are die stamped from solid steel. ~ Plastic hand grip for safety & convenience. ~ Double plated to avoid rust. ~ Carbon steel rivet for durability. ~ Style # 305-E Style # 305-E. Ductile iron base for close fit machining, strength and durability. All parts are die stamped from solid steel. Plastic hand grip for safety & convenience. Double plated to avoid rust. Carbon steel rivet for durability.