Premium rubber coating Weight accuracy is less than 2% The plates are more than 22.0 lbs (10 kg) and have a grip holding type. Metal ring inside plate Hole Diameter: 50mm 5kg x 2pcs Introduction Examples: Chiba Lotte Marines, Tokyo Yakurt Swallows, Tohoku Rakuten Golden Eagles, Fukuoka Softbank Hawks, Hokkaido Nippon Ham Fighters, Yokohama DeNA Basters, Urawa Reds, Omiya Ardija, Kawasaki Fronterle, JR East Japan Official Baseball (Chiba Prefecture), Seresso), Osaka, Oyo Special Steel Handball Part (Aichi). Province), China Power Lugs Bebe (Hiroshima Prefecture), Montedio Yamagata, Aoyama Academy Campus, Sagamihara Campus, Kyushu Kyoritsu University, Keioshi Jam University Rugby Club, National Ehime University, National Kyoto University, National Chikanha University, Castisai International University, Teiyo Heisei University, Tokyo University Rugbe, Tokyo Rugbe, Hang, Tokyo Rugby, Hanga, Hang, Island Economical University, Law Political University Football Department, Meiji University Rugby Department, Ritchi University, Waseda University, etc.