Plantex Door Lock-Fully Brass Main Door Lock with 4 Keys/Mortise Door Lock for Home/Office/Hotel (Sumer-3017, Black) 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐬𝐩𝐞𝐜𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬: Bolt cylinder - 70 mm & pin to lock body - 45 x 85 mm, for any door of thickness ranging from 28 mm to 55 mm 𝐏𝐥𝐚𝐧𝐭𝐞𝐱 - 𝐅𝐢𝐭 𝐚𝐧𝐝 𝐅𝐨𝐫𝐠𝐞𝐭: Assured help of 36 months for handles & 18 months for cylinders as a warranty against manufacturing defects. This handle set is also tested for more than 300,000 cycles. 𝐐𝐮𝐚𝐥𝐢𝐭𝐲: This mortise door lock has a Premium virgin Brass build. It comes with a reversible brass latch with the brass deadbolt on one side and key operation from the other side. Brass handle is fully reversible and can be installed on both sides of the door. 𝐀𝐝𝐯𝐚𝐧𝐭𝐚𝐠𝐞𝐬: The door locksets by Plantex are an excellent replacement or upgrading option with an auto-retraction mechanism & reduced noise in its handles. With the smoothest push & pull operation, it prevents the loosening of locksets even after hundreds of uses per day. It has an attractive finish with rust-free and weather-proof technology. 𝐈𝐧𝐜𝐥𝐮𝐝𝐢𝐧𝐠 𝐂𝐨𝐦𝐩𝐨𝐧𝐞𝐧𝐭𝐬: The packaging contents set of 2 pieces of handles, 1 pcs Brass computer lock body & cylinder, 1 covering/receptacle plate, 4 computerized Brass keys along with screws for fittings. Made in India.