KickPort TRGCL T-Ring Bass Template, Clear
The T-Ring has an outer diameter of 7.25 inches and an inner port diameter of 5.25 inches. In addition to reinforcing the bass drum head from tearing and splitting around the KickPort, the T-Ring can be used as a template for cutting a 5.25 inch port in any drum head for optimum miking in studio and live situations.