5/32" (4mm) Rivet Diameter Black Flange Diameter: 15/32" Grip Range: 3/64" - 15/32" Aluminum Rivet Black Steel Mandrel Compare with: Toyota # 90269-04047, 9026904047, Disco # 13380PK, 13380B, Auveco # 21715, Kent / Lawson # 1404771