Ampoule Cracker™ in three different sizes

The Ampoule Cracker™ is a disposable plastic fracture and safety collar, which is specially designed to aid in the breaking open of pre-scored glass ampoules. Simply slip the Ampoule Cracker™ over the top at the pre-scored portion, snap it, and discard both the ampoule top and the safety collar to prevent cross contamination.
Available in 3 sizes: Size 1 (1-4ml ampoules), Size 5 (5-10ml ampoules), Size 10 (11-20ml ampoules).