16 GA. Hog Ring Pliers HR743, HR1665
  
LxWxH 315x90x182 mm
Weight 1.45 kgs
Hog Ring Crown 23.7 mm
Shank Dia. 1.6 mm
Shank Height 12 mm
Minimum Closure Size 4.8 / 6.5  mm
Loading Capacity 100 pcs
Working Pressure 5-7 bar/ 90-105 psi
HR743 Equivalent

Stanley Bostitch Spenax:SC743