Nrs Healthcare Supra C500 Key Safe Secure Police Approved Outdoor Key Storage Device The Supra Police Approved Key Safe has been designed as a result of extensive consultations with users and has achieved the highest level of security endorsement ever given to a key safe in the UK.The key safe has been awarded LPS1175 Level 1 Accreditation, and as a result of its security rating the key safe has also achieved Police approval through the "Secured by Design" initiative. For ultimate durability this Supra Police Approved Key Safe is made from a heavy gauge stainless steel and zinc alloy shell with a double wall construction and has a stainless steel plate around the buttons to give even greater security. A clutch mechanism prevents the handle from being forced open. The Supra Police Approved Key Safe is suitable for storing both Yale and Chubb type keys and is secure against physical attack when mounted on a brick wall with the heavy duty masonry screws included in the fixing kit supplied