Big Jon Big Jon 4x4 Mounting Plate With Hold Down Bolts

The Big Jon 4 in. Mounting Plate is a precision machined aluminum mounting plate that accepts all Big Jon products with 4 inch square bases. This base comes with four 3/4 inch stainless steel hold down knobs. This is Big Jon model MP5004 The Big Jon 4 in. Mounting Plate is made in the U.S.A.