Non-Adjustable Hook for Bottom Mount Rails PN# 17515 $21.58 / KTP NEW Non-Adjustable Hook for Bottom Mount Rails PN# 17515 180° Non-Adjustable Curved Tile Roof Hook Kit with 1/4" X 3" Screws. Type 304 Stainless Steel Quantity per KTP 1 10 KTP Weight 1.65 lb Screw Size 1/4" x 3" None NEW $21.58 / KTP Quantity