GriP Ball 70 balls are the first step to becoming a real ninja warrior, becoming a stronger climber or preparing for a cross-fit race. Challenge Run, climbers and cross-fiters are always looking for equipment that enables a round kinetic hold. If you exercise this grip regularly, you will create a working system that protects you from possible injuries and ensures that your efforts are successful in various races. You can order on an existing construction or a construction that you purchase from us. Painting process: sandblasting + powder coating KOMAXIT. Color: matt black with a fine texture for better hold. Material: steel.