Arm stay for timber, iron, steel and PVC bottom-hung casements, non-handed, releasable for full casement reversing, suitable for cearances between 8 and 12 mm, in stainless steel, 1 pivot in Saviolyte, 1 brass shim, 4 self-tapping countersunk hd. screws 4.8×13. Range of application: Minimum height A = 300 mm, maximum 1600 mm, maximum B = 1/2 of A, maximum weight capacity for 2 arms stays 70 Kg.