Advocate PetTest Safety Lancets 21 Gauge Box of 100

They are a single-use, self-contained lancing solution excellent for difficult sampling situations - no fumbling with a single lancet and lancing device. Simply apply and depress the pressure-activated lancet and the needle automatically retracts. Designed for your pet in mind with a 21-gauge needle.

Single Use, Self-Contained Lancing Solution
Ready to Use
Excellent for Difficult Sampling Situations
Needle Automatically Retracts
21G for All Dogs and Cats
Pressure Activated