SPECIFICATIONS • Diameter: 1/8 in • Overall Length: 0.428 to 0.448 in • Shank Size: 0.124 to 0.128 in • Shank Type: Straight with Radius Chamfered Tip • Head Type: Universal • Grade: 2117-T4 • Material: Aluminum • Finish: Anodized • Head Diameter: 0.238 to 0.262 in