Amazon.com: K-SC760 16 Gauge Pneumatic C Ring Gun, 1/2-Inch 3.0-4.8mm Closure Diameter Hog Ring Staples, Automatic Hog Ring Plier, Hog Ring Tool for Fencing, Cages (K-SC760 C Ring Gun)
Hog Ring Stapler SC760B, Pneumatic Hog Ring Plier 12.5mm, C Ring Pneumatic Gun 16 Gauge,
Stanley Pneumatic Air C Ring Tool Nailer Hog Ring Plier Gun Repair Parts Maintenance Accessories Clamp Coil Springs Pins O-Rings - AliExpress
Kamsin K-SC7E 15 GA Pneumatic Hog Ring Tool with Long Nose, 3/4'' Crown Professional Air C Ring Gun - Walmart.com
Hog Ringer (Extra Long Nose): HR77XE - Everwin Pneumatic
Stanley Bostitch Hog Ringer | SC742 | For Sale
Pneumatic Hog Ring Gun (Plier) | Buckaroos, Inc.
Bostitch SC7C-B pneumatic hog ring gun. Uses 3/4" ring 15 GA.