Maple Leaf Omega Hop TensionerMaple Leaf Omega Hop Up Tensioner Nub is made of a firm rubber with a concave type nub portion that contacts the bucking. This nub is compatible with most hop units and typically does not have the need to be modified to fit most hop units. Works really well with Maple leaf buckings and most other buckings on the market. If your current tensioner is not applying enough downward pressure to your bucking , or uneven tension, then this product may solve