Configuration:Keyed individually, Finish:Oil-Rubbed Bronze (RELIEVED) Baldwin's low-profile cylinder deadbolts feature heavy-gauge steel cases for security and solid brass mechanisms for smooth operation. When extended, the deadbolt has a 1' throw, which reaches into a saw-proof, hardened steel insert. Available keyed alike in sets of four.See options to choose keying configuration and finish. Adjustable backset fits both 2-3/8' and 2' backset measurements. Designed for 1' thick doors. Spacers available for 1-3/8' doors; see accessories. For thicker doors, use accessory conversion kit. Meets ANSI Grade 1 security requirements. Bolt comes in either Aged Brass or Satin Chrome to match trim.Note: Designed especially for 1-5/8' diameter cutouts, but accessory trim rings are available for 2-1/8' diameter cutouts. Door Hardware Planning & Measuring Guide.