Steel Taper Pin, Plain Finish, Meets ASME B18.8.2, Standard Tolerance, #6 Pin Size, 0.341" Large End Diameter, 0.289" Small End Diameter, 2-1/2" Length (Pack of 10) Taper pin has diameter that tapers along the length of the pin for installing in tapered holes Steel is often used in applications where strength is the primary consideration Plain surface has no finish Meets ASME B18.8.2 specifications Standard tolerance