1/2" (12.7mm) Hole Size Stem Length: 25/32" (19.8mm) Panel Range: 5/32" Flange Diameter: 7/8" Blue Nylon Fascia Retainers Compare with: Auveco #19847, G.M. # 5973823, Car Pak # 81-5434, 815434, W&E # 2351, Clip Lizard # 10207, Crest / Midwest # CRX172, Disco # 1234PK, 1234B, Kent / Lawson # 89141, Winzer # 502.3112, Kimball / Midwest # 10501