High Mass Tester used by safety manufacturers to be in accordance with ANSI and CSA standards. The multi-function tester may be used for high mass projectiles, drop ball tests and penetration testing on all safety eyewear products.The adjustable base and drop tube make this tester adaptable to achieve all variations of standard compliance. Optional items include a 50th percentile head form, magnetic projectile release mechanism, face shield mount and shield support blocks.