The Carlisle Brass AA133 thumbturn and release is design for use with knob sets or independently, it has a 5mm square spindle and will operate on a bathroom lock or a separate bathroom deadbolt. In each case a 90 degree turn of the oval thumbturn knob will lock or unlock the bathroom door.

Emergency Release Function

The external rose which is fitted to the outside of the bathroom has a cross slot which can be used to release small children or anyone in an emergency. Current building regulations require that any lock, fitted to a bathroom, cloakroom or en-suite, can be operated externally in an emergency.

Four Finish Options 

The AA133 turn and release is made from either solid brass and finished in polished brass, polished chrome or satin chrome or wrought iron and finished in Ludlow black antique, to co-ordinate with other furniture on the door.