Patented GEMS™ Johnnie Snap 60cc and 20cc syringe locks are designed to maintain vacuum at variable pressure levels, from low to high. With a newly designed plunger clip, this lock becomes one with the plunger delivering effortless vacuum pressure. The Johnnie Snap delivers incremental, low-pressure vacuum with 2 lock positions for 20cc syringes and 3 lock positions for 60cc syringes.
This product is a one-time, one syringe use. Available in packs of 5 single-use locks.