ST-66159 3/16" (4.8mm)Hydraulic RiveterStroke Length : 15.5mm Read more.... ST-6675 3/16" (4.8mm)Hydraulic RiveterVacuum TypeStroke Length : 16mm Read more.... ST-6677 1/4" (6.4mm)Hydraulic RiveterVacuum TypeStroke Length : 23 mm Read more.... ST-6356 M4 - M12 Riveting nut toolStroke Length : 16.5 mm Read more.... ST-6360M M3 - M8 Riveting nut toolStroke Length : 7mm Read more....