Model PN: 17520 - 23mm Adjustable Height for Side Mount Rails

90° Curved Tile Roof Hook, 23mm Height Adjust Range 10/Carton Wgt = 15.00 Lbs. The adjustment range is ideal for clay tiles. This hook works on tile heights ranging from 67mm to 90mm. The 10mm x 46mm rail attachment slot accepts 5/16" or 3/8" bolts. Use our 1/4" Solar Mounting Screws in the 7.5mm x 37mm mounting screw slots.