Delta SDLS060-C-R 60 in. Sliding Shower Door Track Assembly Kit in Chrome (1) Top track, (1) bottom track, (2) side jambs included in box Detailed instructions and hardware included for easy installation Constructed of corrosion resistant anodized aluminum Fits doors with an opening min/max of 50-1/8 in. - 59-3/8 in. ( with a 56-1/2 in. (143.5cm) height