The ‘Fender Bender,’ an annual birthday party for Sinners and Saints Tattoo of Wareham sponsored by dozens of local businesses, will be held from 11 a.m. to 4 p.m. at the Onset Band Shell on July 28.

The family-oriented event features fast cars and wrestlers and is free to the public.

Wrestling legends Jimmy Hart, Tito Santana, Blue Meanie, and Nunzio will sign autographs from 11 a.m. to 1 p.m. and put on a wrestling show from 1 p.m. to 4 p.m.

Cars and motorcycles of all shapes, sizes, and model years will also be on hand. Dozens of vendors will be selling everything from clothing to jewelry to novelty items.

A raffle featuring Boston Bruins and New England Patriots sports memorabilia, shirts and drum sticks from Joey Kramer of Aerosmith, Zildjian cymbals, Sinners and Saints gift certificates, and other goodies will also be held.

The proceeds will benefit 10-year-old John Dykeman of Sandwich who suffers from muscular dystrophy.