These Yale P405 Rim knobs 43mm handles and bar are for use with the Yale 334, 401 and 402 style rim locks. Rim locks are not for high security and should not be used in this manner, they are ideal to use on sheds or internal doors where there is an external door with high security locks fitted. Rimknobs are covered by a 2 Year Guarantee and have a Standard Security Rating. Finish: Chrome. Yale P405-CH Rim Knob is a standard security door knob with a universal use. The rim knob can be operated from both sides and can be fitted on both left and right handed doors. For use with Yale P401 and P334 Rim Locks. This knob has a 43mm handle diameter and comes in a Chrome finish. Yale is one of the best-known names in the security industry.