The Excel Hardware Stainless Steel Bathroom Deadbolt is designed for use with separate bathroom turns & releases. It comes in the standard sizes; 63mm case with a 45mm backset. Stainless Steel Finish The deadbolt is made from zinc alloy & has a grade 403 satin stainless steel finish. Bathroom Emergency Release Function It is a current building regulation that any lock fitted to bathroom door must be capable of being opened from the outside in an emergency. Hence, please ensure you fit appropriate door furniture which allows for quick release in an emergency.&n...