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