Sluice Fox 3-piece Speed Feed Sluice Box kit. Includes 24" modular sluice box, 13" Speed Feed Flare, and classifier with stainless steel sifting screen. Skip a step in your gold discovery process and classify while you sluice! Classifier stacks conveniently on top of our patent pending "Speed Feed" stream flare. Ideal for gravel and sandy soil conditions. Less effective in clay and sticky debris filled soil