B4424 - Single cylinder with small round turn (House) Application For use with locks accepting Euro profile cylinders. Specification Cylinders are supplied with fixing screw.Standard lengths are 61mm and 71mmExtended length cylinders are also available.Decorative and security accessories are available: see Door Furniture section.Optional functionsA1 - Classroom, clockwiseB1 - Classroom, anticlockwiseC1 - ClutchDA1 - Dual actionThe M20 high security Euro cylinder range is also available offering high resistance to snapping. Finish • Satin Chrome (13)• Polished Brass (20) Standards BS EN 1303 : 2005 SG6 Downloads B4424 - Single cylinder with small round turn (House) (.pdf, 59 kB) Close Ordering Options C820034B90220 DP CLIQ B44M24 CYL M/K NO KEYS *NEW SYSTEM* (SWEDEN) C820034B91220A DP CLIQ B44M24 CYL M/K NO KEYS *EXIST SYSTEM* (SWEDEN) Close M22 - Accessory B4427 - Single cylinder with oval turn (House)For use with locks accepting Euro profile cylinders. M23 - Accessory