Simpson 10d 3" x 0.131 20 deg. 22 deg. Collated Ring Shank Nail, 316 Stainless Steel 1000Pk CBPC Column Bases making this bit broadly compatible making this bit broadly compatible with common routing setups x 50mm Shank The oversized shank diameter minimizes deflection during heavy duty passes through thick composite panels 131 Collated Ring Shank Nail in Type 316 Stainless Steel is a professional grade fastener engineered for wood to wood fastening and structural framing applications where long term corrosion resistance is critical and these collated nails are engineered to meet the requirements of a wide range of project types