Can fit on any stay for security - just omit one pin and replace with locking peg. You can lock stay in night vent position if required. Finish: Black. Dimensions: Fixing Plate: 46mm x 15mm x 4mm. Projection: 27mm. Supplied in singles complete with matching fixings. Replace one standard stay pin with a locking pin for added security. Sold in singles. Supplied with matching SS wood screws.