Put the very best on the softball or baseball field with MacGregor strapless collegiate bases. These come in sets of three and include anchors and plugs. Tear-resistant and waterproof construction makes them an excellent choice for all levels of play. * The base is made from rugged, bonded polyester padding that is tear-resistant and waterproof. The base is easily bolted to its anchor plate. Anchor plate contains a metal sleeve for added stability. Set includes 3 complete bases with anchors and plugs. 15 in. L x 15 in. W x 3 in. H