Fluke Networks 10059000 D-Impactor 5-pair Impact Tool Single reversible blade part (cut and no-cut are molded into one unit) Ease of use and reversing of cutting blade Ergonomic handle with fewer moving parts allow for smoother push down, less hand stress Lifetime Warranty---Superior tool life (head cover keeps blade in place, no ball bearing that will wear out) All blades are individually set to reduce chances of metallic short between connection when doing multiple terminations