Allstar Performance #19394 or ALL19394Works With 1" & 1 3/8" SpringsFor Use with 5/16" Buttons When Using 1" Spring & 7/16" Buttons When Using 1 3/8" SpringRivet Orientation: Right HandMounting Style: Rivet On/Bolt OnBracket Thickness: .0625"Package Quantity: 10NOTE: Please click on the Dimensional Specification Picture for all Bracket MeasurementsNOTE: Please click on the size chart Picture for guidelines to selecting the appropriate length buttons and springs for your application. Allstar Performance 1/4 turn button fasteners are excellent for attaching body panels, hatches, ignition boxes or anything that needs to be removed and replaced quickly. Available in a full range of diameters, lengths and head styles including oval, flush, butterfly and Allen along with matching brackets, Springs and installation tools allow you to handle any application. Please refer to the size chart Picture for guidelines to selecting the appropriate length buttons and springs for your application.