OS-NBR-1-3/4×2-9/16×5/16
OS-NBR-1-3/4×3×3/8
OS-NBR-1-7/8×2-5/8×5/16
OS-NBR-2×2-5/8×5/16
OS-NBR-2×2-23/32×3/8
OS-NBR-2×2-3/4×5/16
OS-NBR-2×3×5/16
OS-NBR-2-1/8×2-3/4×1/2
OS-NBR-2-1/8×2-7/8×7/16