Pipe Versatility;Angled Screw slots on base are angled to accommodate clearance for drill chuck;Set pitch to desired intervals using built-in ruler, measure vertically up to16";Stack stanchions for longer runs and more complex installations;Run parallel or multiple pipes on one stanchion, increase space efficiency on intricate installations;Using solid glass filled material, molded teeth keep clamps and attachments from slipping or sagging;Starter kit includes: 5 Stanchions and 5 Universal Pipe Clamps to fit 1/2", 3/4" or 1" diameter pipe