Our Flared Top Control Tower has all the same dimensions as our Classic Control Tower style, but has a flared top. It is our experience that the smaller the outer diameter is at the very top, the more dangerous it is for your top marbles. We’ve seen people drop marbles off of many different sized bangers, and so we’ve decided to flare the top for extra top marble support. 
•100% Quartz and Full Weld 
•Bevel Edges 
•Barrel Height: 80mm
•Outer Diameter: 16mm
•Flared Dish: 30mm OD
•Flared Dish Thickness: 2.5mm