· ADJUSTABLE LENGTH of 28 to 48 Inches and a Projection of 2 1/2 Inches· VERY EASY TO INSTALL and includes all necessary installation hardware and instructions.· ADDITIONAL STRENGTH needed for medium to heavy curtain fabrics. is given by the "lock-seam" design.· BRAND is Blu-Pier Tech· TEMPORARY OR PERMANENT, this rod will simply and durably dress up your windows. The lock seam feature provides added durability.