Our monkeytail fasteners offer our most traditional style, taking inspiration from original 18th century design. Features: Designed to fit casement windows and match the monkeytail window stays in the range The handle is night venting and can be locked in the open position as well as the closed position allowing some ventilation The product is handed and therefore care needs to be taken when choosing the correct hand. From the inside view, if your window is hinged on the right then a right-hand fastener is required The fastener has a locking mechanism by way of a grub screw Suitable for use with weather-stripped windows Supplied with matching SS wood screws Specifications: Dimensions: H:15.7 x W:4.0 x D:3.5 cm Weight: 0.2 kg Colour: Black Guarantee:5 years Material: Mild Steel Model Number: 51417R