Cork Borer Set of 6 – Nickel Plated Brass

A cork borer, often used in a chemistry laboratory, is a metal tool for cutting a hole in a cork or rubber stopper to insert glass tubing.^  Cork borers usually come in a set of nested sizes along with a solid pin for pushing the removed cork (or rubber) out of the borer.  The individual borer is a hollow tube, tapered at the edge, generally with some kind of handle at the other end.  Cork borers are also used to take samples from living trees, for tree ring analysis, and for taking samples for experiments when a constant diameter is required, e.g.  When testing the water potential of a potato, a cork borer is used to maintain a constant surface area.  A Cork borer is also used to punch holes on an agar plate, to perform Well Diffusion assays in microbiology to study Bioactivity.

• Set of 6 ranging from 5-13mm
• Made of Nickel Plated Brass with Hard Red Plastic Handles.
  
• Dimensions: 6″ x 2.5″ x 0.5″  (approximately)