Includes everything you need to get started: (6) 24" clamps, (2) 24" bottom alignment bars, (2) 24" top alignment bars, (1) 3/8" driver adapter and (1) 3/4" socket. This kit is discounted off the individual component prices.  All kits are shipped one kit to each shipping charge when selected in shopping cart.  Don't forget to order a wall rack for convenient easy clamp storage.