Whitco Blaxland Slid Door Lock Black is an adjustable stainless steel locking beak, with 6mm of closing adjustment. It features a zinc diecast internal D handle deadlock with diecast outer pull. Its self-retracting beak avoids damage and accidental lockout. Suitable for use with a wide range of outer pulls and strikes. Available in Double Cylinder, External Single Cylinder, Internal Single Cylinder, Snib Only and Dummy variants.