Earthquake EA12F 12-Inch Diameter 36-Inch Long Tree Potting Earth Auger with Fishtail Point and Flex Coil Shock Spring Replaceable fishtail point and replaceable flex-coil shock spring Fits Earthquake 9800B and 9800H 2-person powerheads AR400 abrasion resistant blade EB12 replacement blade available Auger is approximately 36 Inch long; flighting is 12 Inch high