The Grey Pneumatic 4317S is a professional-grade 1" drive by 17mm square (4-point) standard impact socket designed specifically for servicing inner Budd-style square fasteners on commercial truck wheels. Engineered for heavy-duty fleet operations and automotive repair, this single socket is built to withstand high torque from industrial impact tools. Key Specifications Drive Size: 1" Square Drive Socket Size: 17mmOutput / Point Style: 4-Point Square (Male/Budd style) Material: High-quality Chrome-Molybdenum (Cr-Mo) alloy steel Length / Depth: Standard Weight: Approximately 1.2 to 1.4 lbs