OS-NBR-7/16×7/8×1/4
OS-NBR-5/8×1-1/8×3/8
OS-NBR-1-1/4×2×5/16
OS-NBR-1-3/4×2-3/4×5/16
OS-NBR-1-7/8×2-5/8×5/16
OS-NBR-1-7/8X3-3/8X0.46
OS-FKM/STL-1.937×2.500×0.374
OS-NBR-1.93X2.68X.31TC
OS-NBR-1-15/16×2-11/16×5/16
OS-NBR-2×2-1/2×1/4