For standardized profile half-cylinder locks with a length of 40 mm. No zero position! To be completed with central plate for change-over latching switch insert System M 3195xx, 3181xx, System Design MEG3886-60xx. Central plate for roller shutter touch-latching switch inserts AQUADESIGN 3482xx. Accessories Profile half-cylinder with key removal in middle position MEG3985-0001. Profile half-cylinder with key removal in 3 positions MEG3985-0003. Scope of delivery Without lock. 2-pin version.