About this item FEATURED MATERIALS-Using selected aluminum materials, it is sturdy and reliable, but not bulky, practical and easy to use. COMPLETE KIT-This is a kit, including 1 window rod, 2 pins and 6 A2 stainless steel nuts. WIDE RANGE OF APPLICATIONS-It is suitable for most greenhouse windows (roof vents) and is a practical tool for a wide range of applications. EASY TO REPLACE-The bolts are of the correct length and can be replaced directly because many roof vents are bolted under the glass. COMFORTABLE TO USE-The rounded edges are comfortable to use and avoid hurting your hands.