POP PRG-544 Pneumatic-Hydraulic Rivet Gun- pop rivet gun manual ,The POP PRG 544 Pneumatic-Hydraulic Rivet Gun is an extremely strong, robust and reliable heavy duty pneumatic-hydraulic rivet tool that sets rivets from 3/32" to 1/4". It is unbeatable for efficient riveting on mass-production lines. Sets all styles and sizes of POP blind rivets, ultra-grips, and T-Rivets from 3/32" to 6.4 mm diameter.Downloads - STANLEY® Engineered FasteningPOP® Riveting Systems. POP Nut® Systems. Plastic Fasteners. Mechanical Joining / Self-Piercing Riveting. * Our downloadeable manuals are only for information purposes; binding documentation is attached to product deliveries.