Click to expand Tap to zoom Earth Auger Bit Extension, 18in by Stihl Original price $81.99 - Original price $81.99 Original price $81.99 $81.99 $81.99 - $81.99 Current price $81.99 | / SKU 43136802302 Extension specially designed for BT121. Quantity Add to cart Sold By: Stihl Stihl