Robert Baraban Deluxe Adjustable Hand Gripper 50/500lbs with Negative Rep Handle Deluxe Steel Adjustable hand gripper from Robert Baraban. Two springs of differing tension allow you to choose resistance levels from 50 to 500lbs The RBA Black Deluxe has an extended handle that can be screwed on in order to train using negative repetitions Painted Black, may have minor scratches or surface rust, but guaranteed to be a new handmade gripper