10MM CHAMP FULL MORTISE CONCEALED CYLINDER HINGE H-610-10P

H-610-10P.. 10mm Champ Full Mortise Concealed Cylinder Hinge Just drill the 10mm hole, insert, then turn the set screw and the cylinder expands within the hole, securing hinge in place! Machined solid brass with steel linkages Drill 10mm size holes to exact depth. 10mm x 7/8″ long for 1/2″ wood. 10mm=approximately 13/32″ diameter Works great on things like butterfly table table leafs.