Mount any size horse with ease on the sturdy Horsemens Pride Sportote 3-Step Mounting Block. Made of high-quality plastic, this 3-step mounting block has a convenient 12 inch lockable storage compartment that can hold up to 300 pounds. About Horsemen's Pride Inc. Founded in 1976, Horsemen's Pride has been manufacturing top quality buckets and feeders for equine industries, but now their horse items are designed for enrichment, general care, and taking the horse and rider further. Their products are rotation molded of Dupont polyethylene that will withstand the rigors of everyday use in all climates and conditions. Made of high-quality plastic. Available in a variety of colors. Mounting block opens up for additional storage space. Holds up to 300 lbs.. Dimensions: 22H x 16W x 25D in..