ASSA 5303 Escutcheon Application Door Reinforcement ASSA 5303 is suitable for ASSA 309. The product is used when the old drill holes are to be covered or to reinforce the door sections. Features Approved in Class 3. Mounted with four through-going hardened steel screws M5 (75 mm) with waist, 2 of which go through the lock. The inside plate has clappers which are made of the surface finishing brass and black zinc-alloy. In the surface finish chrome has both inner and outer plate clappers. Delivery includes screws. Standard finishing: chrome, brass, black zinc-alloy. Downloads Ritning-ASSA-5303-Nyckelskylt_lowR (.jpg, 36 kB) Close ASSA 5431 EscutcheonDoor Reinforcement. ASSA 5431 is suitable for ASSA 780. U… ASSA 5321 / 5323 EscutcheonDoor Reinforcement ASSA 5321/5323 are suitable for ASSA 2… ASSA 5413 EscutcheonDoor Reinforcement ASSA 5413 is suitable for ASSA 40B-7. … Do you want to create a safe lock environment? ASSA OEM has created "The lock guide by ASSA OEM", and it's made to give you knowledge and tips about approved lock sets. We really encouring poeple to read our tips and guidelines here: The lock guide Want to download our product catalogues? If you prefer to download our product catalogue - you can download it here! We also provide instructions, declarations and other documents in our download documents section.Check it out!