Model-A (A011 Full overlay/ A012 Half overlay/ A010 Inset)Quick-assembly Concealed hinge, two-actionMaterial: steel with nickel platingMax door opening angle: 105°Cup diameter: 35mmCup drilling depth: 11.3mmHole pitch: 48mmWith spring, self-closingTool free hinge to mounting plate connection and removal3 dimensional adjustments: side, depth and heightVariable side adjustment +2 mm / -2mmVariable depth adjustment +2 mm / -2 mmHeight adjustment via mounting plate + 2 mm / -2 mmGuarantee more than 50,000 times opening and closingPass the 48-hour salt spray test