OS-NBR-1/2×1-1/8×1/4
OS-NBR-1/2×1-1/4×1/4
OS-NBR-9/16×7/8×3/16
OS-NBR-9/16×1×1/4
OS-NBR-5/8×1×1/8
OS-NBR-5/8×1×1/4