The 8-Bar horizontal storage makes for easy-on, easy-off storage. Storing your bar horizontally naturally prevents any bar sleeve damage that may occur from vertical storage. All sides of each bar slot is covered with a plastic sleeve to protect the knurling on your bars. You'll also be freeing up any floor space you may have used from other floor-based bar storage units. Includes: (16) Plastic Bar Holder Sleeves (6) Concrete Bolts included with purchase