This Replacement Bottom Guide fits the NEW Contempo Series "I Beam" Bypass Sliding Shower Door System will be the focus of any bathroom in which it appears. Contempo has the flexibility to be installed either in a full standing shower, or above a bathtub. The Header is clad in polished or brushed stainless steel to present an elegant appearance. The Contempo Series has two stainless steel rollers per door to assure a smooth, gliding opening and closing of the bypassing doors using only fingertip control. The “adjustable height" header is the installer’s friend, allowing wiggle room for installation. Complete kits include: 73" (1854 mm) length header; 4 each rollers; 2 each stoppers; 2 track holder fittings for the wall; 1 each bottom guide; 2 each 85" (2159 mm) clear L-Jambs; 1 each 73" (1854 mm) threshold. The Contempo Series Sliding System accommodates 3/8" or 5/16" (10 or 8 mm) thick tempered safety glass (not included). A 90 Degree Accessory Kit is available for enclosures with a return panel.