If you are looking for a way to increase the effectiveness of your hammer, then the Nupla 6894233 Hammer Tip is what you need. It will fit on any standard 1/2-13 thread and can be used with two different hammers. The black hammer tip has a diameter of 3 in.. With a hardness rating of hard, this interchangeable head fits right onto your standard 1/2-13 thread handle. The nylon material makes it durable and long lasting. Ideal for use with either a 2UV36 or 5LV15 or 5LV16 hammer, this soft face tip comes in a pack of two. When working with heavy duty materials, you will want to have the Nupla 6894233 Hammer Tip at hand to ensure that every blow counts.