ProSolar GT-DRILL BIT Drill Bit Please log in to see price or purchase this item SKU: 270-0660 Details ProSolar, GroundTrac EZ Drill Bit Extension, Stainless Steel and 1/2" Irwin UniBit, GT-DRILL BIT DetailsBackDetailsProSolar, GroundTrac EZ Drill Bit Extension, Stainless Steel and 1/2" Irwin UniBit, GT-DRILL BIT