Includes 10 aluminum round balusters with stair connectors, 4 rigid plastic rail brackets and screws, Balusters are 3/4-inch in diameter and 26-inch long, Balusters fitted with 40-degree angle stair connectors for insertion into pre-drilled 2x4 rails (RAILS AVAILABLE SEPARATELY), Allow one kit of 10 balusters for every 4 ft. of drilled rail, Balusters are constructed from corrosion-resistant aluminum alloy for long-term durability, Pre-drilled rigid black plastic rail brackets are stronger than toenailing and prevent rails from twisting