OS-NBR-1-1/2×2-1/2×5/16
OS-NBR-1-1/2×2-3/4×5/16
OS-NBR-1-3/4×2-1/4×5/16
OS-NBR-30×40×7
OS-NBR-3×3-3/4×3/8
OS-NBR-3/8×3/4×1/4
OS-NBR-1/2×1-1/8×1/4
OS-NBR-5/8×1-1/2×1/4
OS-NBR-11/16×1-3/16×3/16
OS-NBR-3/4×1-1/4×1/4