Product Specification 616G50 / SR8 16 gauge C-ring fasteners for use with P7 / A7 / G7 Hog Ring Pliers Equivalent to Bostitch SR8 / R8 and King Hughes 616G50 Dimensions 11/16 inch open and 9/32 inch closed Manufactured in pre-formed strips of 50 staples designed to fit the P7/A7 Hog Ring Pliers carriage How to Install Slide one strip of 50-staples into the open carriage of the hog ring stapler / pliers Push the carriage-ram home until it clicks into place holding the staples behind it. Squeeze the two black handles together to close a hog ring arround the netting mesh/zip and the wire rope or etting that you are securing to. The pliers will dispatch and compress one hog ring staple with each squeeze of the handles.  Hog Ring Spacing 75mm mesh nets, 1 ring per square 50mm mesh nets, 1 ring every other square 40mm mesh nets, 1 ring every other square 28mm mesh nets, 1 ring every other square 19mm mesh nets, 1 ring every three squares