We strive to provide new innovative products to meet the need of the rapidly changing world we live in Our goal is to provide products made with the finest material and consistent and high quality processes Determination of the correct diameter is based on the fingers being in proper throwing position placed behind the shot To obtain proper fitting of the shot to the ability of your athlete Finger length is critical The shot must rest on the Pad of the palm and the fingers must be up the side of the shot Throwers with shorter fingers may find that the smaller diameter shot feels better at delivery those with longer fingers may like the feel of the larger diameter The final decision is a personal choice by the thrower and you may need 23 diameters to fit the whole team From a Biomechanical point of view the larger shots give a greater contact area push zone Features. Scholastic Shot Put 8 lbs. Regulation shot assured to meet specifications and weighin. Great for high school competition and practice. Priced to fit your budgetSpecifications. Weight 8 lbs