Narrow mortise lock body with different dimension Latchbolt and deadbolt material:brass or zinc C to C:85mm Backset:20-35mm High quality narrow mortise lock body with different sizes, which is suitable for different applications. Product features:1) Short backset mortise lock case with dimension2) Latchbolt material: brass or zinc3) Deadbolt material: zinc4) C to C: 85mm5) Backset: 20mm, 25mm, ...