Pin Diameter: 9/16” Overal Length: 5 1/2" Roller Grove Diameter: 5/8" Kurl Diameter: 19/32” Door Roller Pin Assembly Compare with: Auveco #19725, G.M. # 12540326, W&E # DRP-1, DRP1, Disco # 2168PK, 2168B, Crest / Midwest # CRX15430, Winzer # 502.1106