Leather piston cup seals 1 inch OD. This is a standard Leather cup seal. 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 oversized 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 LEA1A to accompany this seal. Fits CRS3100, Gamo 300 , Daisy 120, 130, and 131, Haenel 300, 302, 303, 304, etc.
