The Era Saracen 2 rollers & 2 mushrooms far is one option of the 2 mushrooms and 2 rollers lock with 1,610mm between the outer rollers. Originally designed to replace GU, Lockmaster and Winkhaus locks without the need for new routing positions. Locking points are engaged by lifting the lever and locked by turning key. To change handing, undo the screw or screws in the latch to remove. Reverse, reinsert and replace screw(s).