4XEM's professional grade impact punchdown tool is the perfect multi-purpose tool for punching down Cat6a/Cat6/Cat5e/Cat5 cable to 110-Type jacks and patch panels or telephone wire to 66M blocks. Both blades (110 & 66) have cutting and non-cutting sides. Built to perform, this tool features a rugged alloy steel frame with a storage compartment in the body for the blade not in use. 4XEM gear is respected industry wide for its high performance, premium quality and durability.