Door Hinge Jig Router Template for 102mm (4") & 76mm (3") Standard Door Hinges

The Kingfisher Door Hinge Jig – Accurate, British-Made Design for 102mm & 76mm Hinges. This one-piece,British-designed and British-manufactured jig is engineered for quick, accurate cutting of recesses for both 102mm (4") and 76mm (3") standard, square-edge door hinges.

eBay