• Mack Clamps

    The worlds strongest barbell collar with dynamic shock absorption.

    Google Patent 
  • Contact Pads

    The secret of the worlds strongest grip is in the technology of the contact pads.

    Google Patent 
  • Mack Lite

    Smaller and lighter version of the Mack Clamps

    Google Patent 
  • Blank Mack

    The simplest possible configuration of adapting the Mack Clamp technology

    Google Patent