“It works as it should but requires a little practice to determine just the right pressure to apply constantly to the blade as pulling it through. I used it on new 10/2 uf cable with no problems. Would be nice if the blade was replaceable. Other reviews I read stated on older cables where the outter jacket has weathered and hardened it might not work as well and I can understand that. I still have quite a bit of work with uf cables to do so I'll see just how well it holds up. SprinkIer Supply had the best price I found.”