3 Points Mortise Lock 50mm Backset 10 steel bolts, 14mm: 4 in the middle lock and 3 in the top and lower locks Reversible latch for right and left handed doors Distance from levet to cylinder 85mm Compatible with euro profile Yale cylinders for mortise locks SKU Description 0007048 Mort Lock 50mm 3Pt 0011441 Mort Lock 50mm 3Pt + Cyl 70mm