1" Bunk Bed Ladder Hooks 1/2"W x 3-9/16" Black Finish over 11ga. Steel (1-1/16" Inside Clearance) Package Quantity- 2 Hooks, Screw Pack. Fit 1" Rail. Hook Measures 1/2" Wide x 3-1/2" High, Extents 1" Over Rail (1-1/16" Clearance Inside Hook), Hooks are Black Power Coat Finish over 11 ga. Steel, Made in USA Screw Pack Contains (6 Each 3/4" ,1" , 1-1/4"), 18 Screws Total Screws are #6 Black Oxide Finish #2 Phillips Drive, Type 17 Self-Drilling Point