These Dovetail Markers are an essential tool for hand tool woodworking projects. Choose one of these different angle ratios: 8:1, 7:1 and 6:1. The solid brass markers are hand-buffed and polished to create a brilliant shine that will last for generations. The unique design was created in Pennsylvania, USA by a US Army veteran. (AATW). This is a hand tool accessory that will bring a lifetime of pleasure in use. With this Dovetail Marker set, you can create beautiful woodworking projects that will be cherished for years to come.