Internal Light Duty Spiral Ring System of Measurement Inch Location Style Internal Thickness 0.031 in Fits Groove Diameter 2.576 in Fits Groove Width 0.039 in Fits Groove Depth 0.038 in Free Outside Diameter 2.605 in Material Steel Finish Plain Material Grade/Class Not Graded Ring Type Internal Light Duty Spiral Ring Clearance Diameter Type Free OD Thickness Tolerance +/-0.002 in Standards REACH Compliant RoHS Compliant Groove Width Tolerance +/-0.003/0.000 In.