4 kilo 95mm Tungsten Women's Hammer by Nishi. Considered the best hammer in the world, with a tungsten core offering the largest mass away from the thrower.
Certified by World Athletics, NCAA, and every major federation in the world.
The Shot Put and Discus Throw Manual has over 200 pages of incredible content; from technique to pre-designed workouts - this book has everything you need as a THROWS COACH!