Sturdy Drill Press Table Construction The Infinity Professional Drill Press Table is designed to fit 12” to 20” drill presses and gives you lots of clamping options when woodworking. The large 16” x 24” (15-1/4” x 23-1/4”) table is made of a sturdy 1” premium plycore construction with tough Microdot laminate surface and is “balance laminated” on the bottom to guarantee that it remains smooth, stiff and flat. We also provide a center insert made of ½” thick material that is easily replaceable and allows you to drill through-holes up to 4” in diameter without damaging the surrounding table top. Included: One 1" thick, 16" x 24" table with four extruded aluminum universal T-tracks installed All T-tracks are 3/4" Wide x 3/8" Deep Accept 1/4" x 20 hex bolts or 1/4" & 5/16" T-bolts Two toggle clamps with #10 X 3/4" screws to install the clamps on the bottom of the table. You select the positioning of the clamps to best accommodate attaching this to your drill press's table. One reversible sacrificial center insert. Fence and table top accessories sold separately.