OS-NBR-2×2-11/16×3/8
OS-NBR-2×2-23/32×3/8
OS-NBR-2×3×1/4
OS-NBR-2×3×5/16
OS-NBR-2-1/8×2-7/8×7/16
OS-NBR-2-1/8×3-1/16×1/2
OS-NBR-2-3/16×3×3/8
OS-NBR-2-1/4×2-7/8×1/4
OS-VTN-2-1/4×3×3/8
OS-NBR-2-1/4×3-1/4×1/4