Pasload IM350 compatible. Strips of collated silver galvanised nails for use with the Rawl WW90CH framing nail gun. Packs include high quality gas cylinders proven to prevent residue build up and misfires which plague cheaper imported nails. Also compatible with: ITW Paslode IM350 Makita GN900SE Hitachi NR90GC/NR90GC2 plus other Senco, Powers, Max & BeA tools. The gas cylinders have no expiry date as they do not expire.