Please note this listing is for 4 PACKS / SETS. All products listed in packs are also available individually, please see our other listings or contact us. Lever on lock backplate. Standard profile 57mm c/c. Plain, shaped backplate with rounded ends. A smooth rounded lever narrowing slightly in the middle for an easy and comfortable grip. Comes with a 10 year mechanical guarantee and is Fire door rated. Suitable for domestic and commercial use.Alias ID - bc07178x4