When you buy something through one of the links on our site, we may earn an affiliate commission. Grip StrengthenerScoreHandle MaterialIndividual Fingers?Adjustable?Top Pick: IronMind Captains of Crush Hand Gripper74Aluminum AlloyNoNoBest Finger Trainer: Gripmaster Pro Hand Exerciser71PlasticYesNoBest Value: Luxon Hand Grip Strengthener70PlasticNoYesGripmaster Hand Exerciser68PlasticYesNoKootek Hand Grip Strengthener65Aluminum AlloyNoYesWe bought five of the best grip strengtheners and tested them on hands of all sizes. The IronMind Captains of Crush Hand Gripperis our favorite thanks to its efficacy and superior build quality.For how simple it is to train, grip strength is frequently neglected. What’s more, its applications are surprisingly diverse.Power lifters are probably the biggest beneficiaries, but everyone from pianists to rock climbers cares about grip strength. And we could all use a little more confidence in our handshake, right?Luckily, training grip is neither difficult n…