Bfit FAT GRIPZ ya kak As used by Mr Olympias : Jay Cutler & Phil Heath 100% NEW & ORIGINAL PRODUCT ! FAT GRIPZ adalah grip bermaterial rubber yang dapat digunakan pada dumbell atau barbell pada saat anda latihan. FAT GRIPZ sangat bermanfaat untuk memperbesar lengan anda. Karena grip yang berdiameter lebar akan menstimulasi lengan anda lebih baik saat mengangkat beban. Beban yang anda angkat akan terfokus pada lengan tangan anda sehingga membantu proses lebih cepat pertumbuhan otot pada lengan anda. Spesifikasi : P x L : 12 x 5.5 cm Diameter : 5.5 cm Warna : Biru Muda Design in North America 100% NEW & ORIGINAL PRODUCT ! Fat Gripz work by increasing the diameter of the bar. They instantly convert barbells, dumbbells and pull-up bars into THICK BARS so that you can train the way many pro athletes do. This increased diameter causes much greater muscle activation throuhout the arms which leads to bigger, faster gains in muscle size and functional strength. Fat Gripz are now used by thousand of thletes and military including many NFL players, champion bodybuilders (Jay Cutler & Phil Heath), Special forces soldiers, CrossFitters and UFC fighters. Rudy Lee