The bike storage hook set comes with 10 bike hooks, large heavy duty steel hooks with plastic coating Plastic coated outdoor hooks for ceiling/wall, heavy duty screw hooks with soft non-slip and anti-skid finish to protect surfaces. Easy to use garage bike hooks, screw them to a wall/ceiling/rafters/ladders on any solid surface to ensure the hook stays in place. Easier to install if you drill a small pilot hole but you can pull it by screwing in by hand. Each large plastic coated hook can hold 30kg, not ideal for heavier bike weights. You'd better use 2 bike hooks to hold adult bike or very durable product. Ceiling garage hooks for bike storage, bike shed, can also be used to hang garden tools, large wall hooks perfect for adult bikes, kids bikes, scooters and strollers; heavy duty screw hooks can provide more convenience for garage storage, can be used for heavy duty ceiling hooks or wall hooks for hanging