Lockmaster PL 35mm Backset Latch Deadbolt Dual Spindle Door Lock Centre Case - Non OEM This highly popular Lockmaster 35mm Backset centre case is an ideal replacement unit for your Lockmaster multi point door lock. This latch and deadbolt centre case has dual spindle operation and 92mm / 62mm PZ Centres. Dual follower operation. Key Measurements & Information Backset: 35mm PZ Centres: 92mm / 62mm (distance from centre of spindle to centre of key) Follower / Spindle: Dual Centre Case: Latch & Deadbolt Non-Handed (will fit left or right handed doors) Non-OEM