Projectile Launcher Replacement Ball Set for Eisco Labs Projectile Launcher ( PH0343) - 3/4" Dia Steel and Aluminum Balls

• Set of 2 - 0.75" (19mm) diameter balls for PH0343 projectile launcher
• Half drilled - 3mm diameter hole
• 1 ball is Aluminum and 1 ball is Steel.
• Can be used as projectile, or in free fall or ramp experiments
• Suitable for high school and college students, or ages 14 to 21

Set of 2 - 0.75" diameter balls for PH0343 projectile launcher. Half drilled. 1 ball is Aluminum and 1 ball is Steel.