WOODPECKER C-760FRT 16 Gauge 1/2-Inch Air Hog Ring Gun with Variable Speed Control, 3.0 mm to 4.8 mm Closure Diameter, Pneumatic Hog Ring Plier Tool for Fencing, Cages, Fastening - Amazon.com
KAMSIN K-SC7E 15 Gauge Pneumatic Hog Ring Gun Air Power Tool With Long Nose, 19mm Inner Crown, for Cages, Car Seats, Mattress - AliExpress
DEWALT 20V MAX Impact Wrench 3/8in Cordless Hog Ring Anvil Kit DCF913P2 - Acme Tools
Salco SC7C-15 pneumatic hog ring gun. Uses 3/4" C-ring 15 Ga. Similar to Bostitch SC7C.
20V MAX* 3/8 in. Cordless Impact Wrench with Hog Ring Anvil (Tool Only) | DEWALT
TJEP CR8 Battery Powered Cordless Hog Ring Tool - YouTube
Airco® 18V Cordless C Ringer Kit | Bowens
DEWALT 20V MAX Impact Wrench 1/2in Cordless Hog Ring Anvil Kit DCF911P2 - Acme Tools
Battery-Actuated, Cordless Hog Ring Tool | Nail Gun Network
B-TC7C 24mm CORDLESS BATTERY POWERED HOG RING C CLIP FENCE RINGER GUN PLIER TOOL | eBay