Biopsy punches are an important tool in medical diagnostics. Biopsy Punch with Plunger is a disposable coring tool designed to core, punch and retrieve samples from thin or soft substrate source materials such as tissue, gels, paper, cloth, leaves, paint chips, and films. Biopsy Punch with Plunger consists of a ribbed plastic embossed handle with a razor-sharp seamless stainless steel cutting tip. Each Biopsy Punch is individually packaged sterile with a shelf life of 5 years. Each punch has an internal plunger designed for safe and efficient removal of the specimen from the tip. These punches are available in 5 core size diameters: 1.0, 1.5, 2.0, 3.0 and 4.0mm. All punches are color coded by size. Maximum depth: 7mm