The rings are a one size fits all type that spreads apart. The ring top sections each measure 1-7/16'' wide. They are in mint condition as pictured. Below here is some additional background information that was found on the M.A.S.K. cartoon:
M.A.S.K.
original airdates: Sept 30, 1985 - 1988 in syndication
episodes: 75
animated by: DiC
distributed and owned by: DiC and Kenner Toys (now owned by Hasbro Toys)
M.A.S.K. is currently not on U.S. television.
M.A.S.K. SUMMARY:
Matt Trakker leads his specially trained Mobile Armored Strike Kommand team with their transforming vehicles against the evil organization called V.E.N.O.M., Vicious Evil Network of Mayhem.
VOICE ACTORS
Brian George as Jimmy Rashad and Lester Sludge
Mark Halloran as Buddy Hawkes, Sly Rax and Ace Riker
Brendan McKane as Dr. Clay, Jacques Lefleur, Floyd Malloy, Miles Mayhem, Nevada Rushmore, Alex Sector
Graeme McKenna as Calhoun Burns and T-BOB
Sharon Noble as Gloria Baker, Vanessa Warfield and the computer voice
Doug Stone as Boris Bushkin, Nash Gorey, Dusty Hayes, Max Mayhem, Bruce Sato, Bruno Shepherd, Matt Trakker,
Brennan Thicke as Scott Trakker