Pullum Extreme Grip MachinePlate Loaded Grip Training Machine For the grip enthusiast. Our plate loadable Extreme grip trainer can work out both your positive and negative grip with any load you care to try. Sold as standard with 2 round handles. The more dedicated of you can purchase the tapered handle to work the last few millimetres of your grip. Because of where the pivot is loads on the pin are nearly doubled at the handle! Please Note: Pullum kit is made to order so