Tidland's Performance Series Crush Knifeholder is ideal for very narrow webs providing the stability and durability required in crush slitting applications. These versatile knifeholders allow you to use an air regulator that allows the operator to control how much pressure the upper knife has when it engages. The Performance Series Crush Knifeholder is available in two sizes and three configurations to accommodate light- to heavy-duty applications. Operators can choose the design options that fit specific operations, maximizing both reliability and performance.