Additional Drilling Equipment - 3" Concrete and ROCK DRILL BIT. THERE ARE 11 DIFFERENT ONES IN PICTURE BUT PRICE SHOWN IS JUST FOR ONE. BIT DIAMETER-3" BIT THREAD ID-1" Rope Style LENGTH-2-1/4" ACTUAL PICTURES SHOWN Selling Individually USED We have listed over 100 Rock bits. See all our Bits here: Rock Bits Sign up for new sales and special promotionsSign up here and we will let you know when this item goes on sale TYLER #2 x11 R17 Track Page Views WithAuctiva's FREE Counter. Location: Wichita, Kansas. For complete listing information please select the Click To Bid button to see this item on eBay.