Approved Ball Plug

Product Manufacturer
Kwik Plug Master Industries, Inc.
1-hour Quick Plug Pro's Choice
6-hour Quick Plug Pro's Choice
Pro Plug Brunswick (DBA)
Ultima Pro Plug Brunswick (DBA)
HD Tech-Line Industries
HR Tech-Line Industries
Everclear Powerhouse
Ultra Safe Ball Plug Powerhouse
2-2-1 Thunder Plug Storm Bowling Products, Inc.
M.A.P. (Multi Application Plug) Pro Edge
M.A.P. Black Pro Edge 
Rapid Cure Ball Plug Vise