The Sun Valley Cabinets SVC-AB-F2 Full Apple Box is the industry standard for 40 years and preferred choice of leading studio and movie industry key grips, best boys, prop masters, and photographers. Apple boxes are some of the most useful and helpful tools in the studio/production environment. From leveling the grade under camera dolly track while shooting locally or at a remote location, to leveling and stabilizing lighting stands, to bringing the talent in frame during a romantic scene, to boosting the child in the photography studio; apple boxes are used for almost everything!