Here is your sledge pounding solution for those who do not have access to a huge tractor tire or anything else to hammer on. Do you live in an apartment? Wife doesn't want a huge tire in the yard. How about taking your sledge conditioning wherever you want, park, to a clients house, gym, camping, training camps. StrongerGrip brings you a Green solution. We are starting off with one size Half-Tire. It's convenient, portable, and ready to take all you got. Get your hands on a recycled, thick walled rubber, farm implement tire. This is no regular "car tire". It weighs approx. 25-35 lbs. Measures approx. 30" across, 15" high and 10"-15" wide. Has an amazing feel. Great height, and also lets you hit the arc at comfortable postures. Excellent for hitting straight down and baseball style swings on each side.