OS-NBR-7/16×7/8×1/4
OS-NBR-7/16×1×1/4
OS-NBR-7/16×1×3/8
OS-NBR-1/2×11/16×3/32
OS-NBR-1/2×3/4×1/8
OS-NBR-1/2×3/4×0.167
OS-NBR-1/2×7/8×1/8
OS-NBR-1/2×7/8×1/4