The Ampule Cracker Disposable simply slip the ampule cracker over the top at the pre-scored portion, snap it and discard both the ampule top and the safety collar to prevent cross-contamination. Ampules not included. It will protect your hands from glass splinters with these disposable plastic fracture and safety collar. They are specifically designed to help break open pre-scored glass ampules. It is no longer necessary to use gauze pads to protect your hands from glass splinters.
