Creative Products Group's LSK-C3-MB Knob Set is designed for RV bathroom and bedroom doors. It features a privacy-style locking design. The durable brass construction with a matte black finish provides a beautiful addition to any RV interior! Backset: 2-3/8". Latch: 7/8" drive-in. Fits doors 1-1/8" to 1-1/2" thick.