JIM-GEM 16” Increment Borer, 3-Thread, 0.200” (5.15mm)

Extract wood cores from trees, freshly treated poles, lumber, or timber to easily determine quality, growth rate, age, tree soundness, and chemical penetration. The steel borer bit is PTFE-coated for reduced friction as well as protection against rust and resin. Back threading allows for easy backing out of wood. The reinforced borer handle is color-coated for added visibility, protection, and a secure grip. The core extractor is constructed of stainless steel. Includes borer bit, handle, and extractor.