Adjustable Centre Keep, Left Hand, 28mm Centre Line, MK9 Silver SKU: MK9-28-LH-SV Pinit Quantity discounts available QuantityPrice Quantity -+ Add to Basket DescriptionMK9 - Surface mounted adjustable keep for centre gearbox of multipoint door lock.Radius ends for ease of routing in.MK9-70 and MK9-95 keeps are primarily used with Bifold Doors but can also be used for thicker doors.DocumentationTechnical PDF Drawing: DownloadTechnical DWG Drawing: Download