Composite Industrial Air-Hydraulic Riveters TOTAL: 4 View: 3/16" Composite Industrial Vacuum Type Air-Hydraulic Riveter Model : TRC-6150V(VacuumingType) 1/4" Composite Industrial Vacuum Type Air-Hydraulic Riveter Model : TRC-6160V(VacuumingType) 1/4" Composite Industrial Self-Vacuum Type Air-Hydraulic Riveter Model : TRC-6170V(VacuumingType) 5/16" Composite Industrial Self-Vacuum Type Air-Hydraulic Riveter Model : TRC-6190V(VacuumingType)