ArtBin Super Satchel Cone Thread Tray, 6901AB Measurements-12.5 x 12.5 x .5 inches Fits in Super Satchel Double Deep (6990AB), not included. Ideal for Serger thread spools with a 2.5 inch base. Fits: Maxi-Lok cones, Woolley cone, King Tut 2,000 cones, 1,100yd embrodery thread and more. Thread not included.