The name says it all. Ergonomic grips make one handed changing of handguards on AR15s and M16s a breeze. Simply hook to the empty magwell, place the contoured rods around the Delta Ring, squeeze the handles and pull down to compress the Delta Ring. Remove the handguard with your free hand. Its that simple.Specifications and Features:Coated rods protect delta ring finishContoured rods snugly fit Delta RingErgonomic handles require less hand strengthMag-hook fits securely in empty magwellOne piece steel rod provides strength for stubborn Delta Rings