Designed for use when fitting a horizontal mortice sash lock/latch (product codes 91116 or 91109) to rebated doors (doors that overlap one another when closed).Easy to fit, and suitable for use on doors between 40-50mm thick.Our Black finish is a popular choice in traditional settings. Its subtle sheen offers a bold contrast on stained and painted timber alike. During the manufacturing process, our Black products are baked in a high-temperature oven, giving them durable, corrosion-resistant qualities.Rebate Set: ½"