This attractive Sash Heritage Straight Arm Fastener with Knurled Knob is handcrafted from solid brass. The stylish fastener has a sophisticated look with criss-crossed diagonal lines to create the popular knurled feel and appearance. This style is not only functional but ergonomic and aesthetically pleasing too, complimenting a wide variety of finishes and interior design styles.Knurled KnobMaterial: Cast BrassNon LockingComes with ScrewsSize of Plate: 40mm x 65mmHeight of Product: 30mmAvailable finishes: Antique Brass, Black, Bronze, Polished Chrome, Polished Brass, Satin Chrome and Satin NickelPlease note: When fitting YOU MUST pre-drill the screw holes or use a similar-sized pozi screw to make the thread of the screw in the window first. Then carefully tighten the screw with a HAND screwdriver.This product is made from Cast Brass and manufactured using the Traditional Sand Cast method. The items requiring Lacquer protection are protected using the Electrophoretically Lacquered process giving a very attractive long-lasting product.