The Complete SC760-16 pneumatic hog ring tool uses the 16 Gauge C Style Hog Rings. The open diameter of the ring is 1/2 inch, and 1/8 inch when closed. The SC760-16 weighs 2.8 pounds, and can hold 145 rings on the magazine. The SC760-16 features an easy to load magazine, rubber grip, and balanced design. The tool is designed for small mesh, poly and fabric bag closure, fencing, automotive seat upholstery, cargo nets, cages and shellfish trap, etc.