Net Height ChainProvides a quick and easy way to measure net height. Quantity Minus An icon that depicts a minus symbol Decrease Quantity Plus An icon that depicts a plus symbol Increase Quantity Add to Quote Description Features DescriptionMeasure Away.Provides a quick and easy way to measure net height. Features multiple indicators for all common heights. Includes zippered storage bag with spring clip and instructions.FeaturesModel number: SNAVB98HG