This Double Lock Seamer with plastic jaws is ideal for closing a single lock, then with it flipped around and angled, it then completes the double lock seam in one step! Advantages of rubberized jaws: Protects coated and sensitive materials against scratches and damages Less slipping movement because of extra grippy surface Smooth handling of common materials

This Double Lock Seamer with plastic jaws is ideal for closing a single lock, then with it flipped around and angled, it then completes the double lock seam in one step! Advantages of rubberized jaws: Protects coated and sensitive materials against scratches and damages Less slipping movement because of extra grippy surface Smooth handling of common materials