Couple of stay arms for top hung window, length of 24″ (609,6 mm), in austenitic (not magnetic) AISI 304 stainless steel, non-handed, with opening restrictor device and adjustment frictioning grub screw, opening angle 15° or 20°. Weight capacity 125/120 Kg (275,58/264,55 lbs). Suitable to profiles with clearance >= 16.5 mm.