Non-Adjustable Hook for Bottom Mount Rails PN# 17512 $120.43 / CS NEW Non-Adjustable Hook for Bottom Mount Rails PN# 17512 180° Non-Adjustable Curved Tile Roof Hook. Type 304 Stainless Steel Quantity per CS 1 10 CS Weight 11.52 lb Screw Size 1/4" x 3" None NEW $120.43 / CS Quantity