JORESTECH Pneumatic Carton Box Stapler 1932. Type C Staples: 1 1/4" Crown, 5/8"-3/4" Leg Simple one-handed operation Pneumatically actuated for reduced operator fatigue and increased speed Requires compressed air to operate (80 lbs psi minimum) Uses Type C. 1-1/4 Inch (Crown) x 5/8 & 3/4 Inches (Leg) staples Easy to carry and use