Delta 1551PBDS201BX Glide Rail Chrome Accessory. Delta's Line of Commercial Products are an industry leader in the Bathroom Faucets, Shower Fixtures and Bathroom Accessories. The large line of Commercial Grade products are designed to withstand the every day wear and tear, and last for years to come. These products are ideal for hospitals, schools, and other high traffic applications. This Delta 1551PBDS201BX Glide Rail is a bath and shower accessory designed to increase the safety of your shower system. This Chrome Rail gives users added security when entering and exiting the shower.