Specification: Name22 series window stay, friction stay Groove formsquare groove Size8'', 10'', 12'' , 14'' , 16'' , 18'', 20'', 22'' Bar thickness 2.5 mm, 1.0 mm or 3.0 mm, 1.0 mm Groove width22 mm Opening angle0~35 Received load45kg-80kg Material standard 304( content:n8%) or 201 Certification50000 cycles and salt spray test Suitablehotel, office, shop, and so on Packaging detail 50 pairs/ctn, poly bag on each pair (1)not including screws (2)not including special packing (3)total amount reach 5000 sets, stamp your logo on carton (4)total amount reach 8000 sets, stamp your brand on window stopper. Delivery detail18-22days after confirmed the po Service 1.Free sample can be sent on request. 2.Oem/odm, drawing is acceptable.