Superior Parts SP HH19196 Aftermarket O-Ring 43x4.9 Fits Max CN70, CN80, CN80F, HN90. Compatible With: Max CN70 Industrial Coil Nailer CN80 Industrial Coil Nailer CN80F Framing Coil Nailer HN75 Framing Coil Nailer HN90 Framing Coil Nailer HN90 (2012) 130mm Stick Nailer

