The 1150 style is our most standard and affordable window option for new construction projects. It has been time tested for years to ensure smooth, easy operation that shouldnt ever need to be adjusted.The most popular style for this window is the single hung, but it is also available in a glider, picture window and geometric shape styles.The 1150 features a 2 7/8 overall frame size and lead-free composite cam lock and keeper for added security and structural integrity.