Cremone bolt in extruded aluminium, internal rod, fixing screws, lugs and moving system in steel. L 1900mm - sash height from 1235 to 1960mm - backset 27.5 mm - 2 locking pointsCremone bolt in extruded aluminium, internal rod, fixing screws, lugs and moving system in steel. L 1900mm - sash height from 1235 to 1960mm - backset 27.5 mm - 2 locking points