4140 Heat Treated 2 Hex Bar. Holes will vary depending on length of extension.The item "2 Hex skidsteer Auger Extension 36 Pengo, bobcat, McMillen" is in sale since Monday, August 5, 2013. This item is in the category "Business & Industrial\Heavy Equipment, Parts & Attachments\Heavy Equipment Attachments\Augers". The seller is "drillingworld07" and is located in Tracy, California. This item can be shipped to North, South, or Latin America.