You're working too hard! Take off that handle and let the DendroSocket™ do all the work. Start, core, and remove increment borers from trees with ease with "the socket designed with the dendro in mind".™
 
Equipping an impact wrench or impact driver with a DendroSocket is the easiest way to core a tree. DendroSockets significantly speed up coring speed, make it easy on the body, and increase accessibility, enabling people across a spectrum of abilities to get involved in tree-ring work. This is likely the best thing about these sockets!
 
DendroSockets are available in either 3/8" or 1/2" drive. You can also use an adaptor to fit the drill of your choice. In any case, order a couple today and get ready to be amazed at just how easy coring trees has become  : )
 
Disclaimer: Increment borers are manufactured to be used per manufacturer's instructions. They were not made with power coring in mind and therefore may not stand up to use with a power drill. Dendro Supply Co. will not be held responsible for any damage or injury sustained to persons or equipment during tree coring with any products sold by Dendro Supply Co. Purchasers, users, and operators use tools at their own risk.