Leather piston cup seal 1.1 inch (28 mm) diameter. Some fitting might be required. Use for BSA & Lincoln Jeffries Underlevers, Webley Mk3, Original/Diana Mod 35 &45 & 50, Haenel Pre War & 303, Anschutz 335, BSF Model 54 & 55, Crosman 3100, Anschutz 335, Luczink 87, and many others. Interior hole is 3/16 inch. Leather naturally varies in thickness, however, these seals are made to very close tolerances. They will expand a little to fit an out of round or over sized compression tube or can be reduced in diameter with sand paper and made to fit a slightly undersized compression cylinder. You might need to purchase LEA1.1A to accompany this seal. For the perfect leather conditioner for these seals, purchase part number JGALeatherOil, available separately on our website.
