Plantex Heavy Duty Dead Bolt Lock/Rim Lock Set/Trio Lock Dead Bolt for Home/Office/Hotel – Pack of 1 (Matt) 𝐌𝐚𝐭𝐞𝐫𝐢𝐚𝐥: Plantex dead bolt inner parts are made from brass material and outer body is made from metal material with matt finish. It is rust-proof, scratch-proof, and corrosion-free for long life of dead bolt lock 𝐓𝐡𝐞 𝐔𝐥𝐭𝐢𝐦𝐚𝐭𝐞 𝐢𝐧 𝐒𝐞𝐜𝐮𝐫𝐢𝐭𝐲: Dead bolt comes with 3 Strong Steel Bolts for unmatched Triple Bolt Security with thub turn & lock button for inside and key lock for outer side lock/unlock. Nothing says secure like a deadbolt, especially like one from plantex. 𝐔𝐬𝐚𝐠𝐞:Deadbolts are commonly used on exterior doors, accommodating thicknesses of 25-60mm and provide additional security. 𝐒𝐢𝐳𝐞: The size of dead bolt lock is 13.5 x 4.5 x 10 Centimetres and Maximum security is provided with larger bolts and a 21 mm Single throw. Package contains- 1-piece Lock body, 1 Piece Outer Ring, 1 Pc. Strike frame, 4 Pcs. Reversible Key, Screws. You can start using it by installing right after you receive it. 𝐖𝐚𝐫𝐫𝐚𝐧𝐭𝐲: Plantex rim lock is backed by a 5-year warranty against manufacturing defects, guaranteeing enduring quality and dependability for your peace of mind. 𝐇𝐢𝐠𝐡-𝐒𝐞𝐜𝐮𝐫𝐢𝐭𝐲 𝐊𝐞𝐲𝐬: PLANTEX tri bolt lock includes high-security keys designed to be difficult to duplicate, significantly enhancing the lock's security.