JOBE Hibanker / Dredge Hopper Use this quality precision laser cut aluminum Hibanker / Dredge Hopper to convert your stream sluice into a Hibanker or dredge. The classifier screen is removable and is made of powder coated steel. The top of the hopper is 18 inches x 18 inches with spray bars. The water inlet is equipped with a 1 1/2 inch slip fitting which can be removed to use 1 1/2 inch pipe fittings. The water supply can be adjusted with a valve which is included. Comes ready to go as a 2 inch dredge hopper and can be easily modified to use with a 2 1/2 inch dredge. Works on the JOBE 45 Yellow Jacket, the Keene A52, or any 10 inch wide sluice. The mounting holes are precut to bolt onto the JOBE sluice and the JOBE sluice stand. Mounting to the Keene A52 requires two 1/4" holes to be drilled on the sides of the hopper. Total weight is just 14 pounds. The removable classifier screen weighs 5 1/ 2 pounds.