HOWDY!!!You are invited to bid on this lightly used 'SUPER ROCK CLAMP'. designed and sold by Bill's Rock Shop for years.I bought this one many years back and it has held some really tough rocks.As you can see this is a really heavy duty unit.I used it in my 10" Lortone with a wooden block and it will work in up to a 16 inch saw. T is one screw missing that is easily replaced. It worked great for me without it. The ad below is from a 1992 copy of Lapidary Journal and as you can see the basic clamp sold for 70.00 dollars then.This is indeed a "SUPER ROCK CLAMP"Bidding opens at a low 19.99. Shipping and handling is 6.49 in the Continental US. Good luck bidding and thanks for looking!!! Yes we do combine shipping. Check out my other items !