The single-point mortise lock with nib - 40mm square shaft 7mm Klose Besser discounted for your doors Performance: Axis: 40 mm Square: 7 mm Thickness: 12 mm Ttire round Without striker Mortise lock Color: white packaging: Supplied in original packaging warranty: the products of the brand Klose Besser have a manufacturer warranty of 1 year from the date of purchase.