REVERSIBLE SPRING ASSISTED CAM LIFT HINGE, ;10-1/8" LONG OD. X 5-21/32" WIDE.;TO REVERSE REMOVE CAP AND PUSH OUT CAM, REPLACE CAM;ON OTHER SIDE OF STRAP AND REPLACE CAP.;STRAP HAS A HEX HOLE IN IT WHICH ACCEPTS THE STEM FROM THE;FLANGE., NUMBER "1245" IS CAST ON STRAP~; NUMBER "1248" IS;CAST ON FLANGE.;FLUSH OFFSET;DIE CAST ZINC POLISHED CHROME PLATED.