Same quality craftsmanship as the Original GymPin but in a 3-inch bar version. The MiniPin is perfect for fussy shoulder work on machines where the plates go up in too high of increments. Don't stall your progress because you can't leap up 10 or 15 pounds.Insert your MiniPin and add weight as needed. It's that simple.Add one or two to your home gym or gym bag and get after those gains!Same CNC-machined 2-inch-diameter aluminum bar end but in a 3-inch long version.MP008 - MiniPin with 8mm stainless steel pinMP010 - MiniPin with 10mm stainless steel pinDesigned to be used with 2-inch Olympic plates with a 2-inch hole in the middle. Our MiniPin weight stack extender pin is proven to hold up to 132 pounds or more.Two pin sizes are available to accomodate different machines. Not sure which on you need? Measure the pin on the machine you are using with a soft tape measure or insert an 8mm or 10mm allen wrench into the pin hole to test for size.Got the wrong size? No problem. As long as you have not used the product, request a return authorization number, ship it back to us and we'll swap it out at no cost.