Part Number and Description Part # C73-541 (Silver) Requires 3/8 in. diameter hole in panel to be dimpled.Finished hole size accepts -6 size button. Part # C73-542 (Gold) Requires 7/16 in. diameter hole in panel to be dimpled.Finished hole size accepts -5 size Self Eject button. Part # C73-543 (Black) Requires 21/32 in. diameter hole in panel to be dimpled.Finished hole size accepts -6 size Self Eject button Part # C73-548 (Silver, Gold & Black) This Complete Kit includes one of all three of the Dimple Tools: C73-541, C73-542, and C73-543 Pro-werks Quarter Turn Dimple tools These specialty fabrication tools are easy and fast to use. One good whack with a hammer on these dimple dies delivers the correct dimple necessary for the different types and sizes of Quarter turn flat head fasteners. You may purchase the specific size you need, or the Complete Kit (set of all three sizes) to have the different combinations covered. The bases are machined of Aluminum and anodized. The punch portion is made of hard steel and coated in the correct color to match the base of the same size. This simple and effective design evolved over many years of the Pro-werks artisans fabricating panels for race cars.
