【 Precise Hook Size 】 This window pole opener features a 22mm/0.87in hook opening and a 32mm/1.26inch inner diameter , compatible with most standard skylight sizes . Please measure your dimensions before purchasing 【 Unique Hook Design 】 The hook is designed with a sturdy triangular structure for enhanced stability , specifically engineered for vertical and horizontal sliding windows 【 Wide Application 】 The skylight pole opener has a wide range of applications , including window sashes with top control rods , roof windows , casement sliding windows , skylights , blinds , and other window types 【 Stainless Steel Material 】 The window opener pole is made of stainless steel , which is lightweight , rust resistant and sturdy 【 Five Section Rod 】 The window opening tool adopts a five section rod design , allowing you to freely adjust the product length according to the distance from the ground to the skylight, Manufacturer: PATNFR