This 36 inch long Extension Sluice can be used to add 3 feet in length to the GOLD BUDDY Equipment Sluice, the JOBE 6504, or the Keene A52. It has the same riffles, ribbed mat, miners moss, and expanded aluminum as the GOLD BUDDY Equipment Sluice. Includes one rear leg assembly and two legs. Installing on some JOBE and Keene sluices may require drilling new 1/4 inch mounting holes on the side. You can use as many of these Extension Sluices as you want making the final product as long as you want in 3 foot intervals.