The TITAN Series or T-3/X-3 Series Revolving Pull-Up Bar System from Titan Fitness® allows for four pull-up bars. Titan includes (4) 1.25-inch Standard or (4) 2-inch fat bars that lock into place with the initial purchase. This revolving fitness system is made to push you to change the way you compete with yourself. Adding these 1.25-inch Standard Pull-Up Bars to your order will challenge your grip strength. Whether you use all four or change out two and two with the 2-inch fat bars. Additionally, the bars can mount into three different positions for smaller or more extended reach between the bars.