The RCBO is a UV-resistant plastic insert for magnetic architectural handles that allows space for a mechanical cylinder lock and handle. No additional accessories are needed to install it. Only one 90-degree cut is needed in the original handle, then the insert simply clicks into place. It’s a discreet solution for sites requiring electronic locking during the day and mechanical locking at night. Key features Insert for magnetic architectural handles Allows space for a mechanical cylinder lock and handle Only requires one 90-degree cut in the original handle Ideal when electronic locking is needed in the day and mechanical locking at night Manufactured in robust black ABS