1/4" (6.4mm) Hole Size Head Diameter: 1/2" Panel Range: .110" - .460" Stem Length: 23/32" Black Nylon Trim Panel Retainers Compare with: Auveco #11721, G.M. # 411700, Car Pak # 72-3749, 723749, W&E # 2108, Crest / Midwest # CRX121, Disco # 5506PK, 5506B, Kent / Lawson # P21002, Winzer # 502.3123, Wurth # 150155046, S&R # 415210, Kimball / Midwest # 10567