Bag of 100 units. Longer 1/4" black spout.With its reduced 1/4" tapping diameter, the 708 spout helps limit the compartmentalization zone, the area of non-conductive wood created during drilling. Both the diameter and depth of the tap hole directly influence the extent of this zone. By choosing a smaller-diameter spout, you promote better healing of the maple tree and reduce long-term impact on the tree. The 708 model is therefore a smart choice for producers focused on the health and long-term sustainability of their sugarbush.