Constructed with a unique 'V' shaped brace and thick 2" melanine board for stability, this single setting platform can compete with anything on the market and comes complete with a Super Swivel (PS-3). Features: Wood stud walls require 4-- 1/4" x 3" lag screws for mounting Concrete walls require 4-- 1/4" x 3" concrete anchors Additional Details: Speed Bag and wall mounting hardware not included