OS-NBR-1-1/4×1-1/2×1/8
OS-NBR-1×1-9/16×1/4
OS-NBR-1×1-5/8×1/4
OS-NBR-1-1/4×1-11/16×3/16
OS-NBR-1-1/4×2-1/4×1/4
OS-NBR-1-3/8×1-15/16×1/4
OS-NBR-1-1/2×1-7/8x.1/4
OS-NBR-1-1/2×1.983×3/16
OS-NBR-1-1/2×2×1/4
OS-NBR-2×2-1/2×1/4