20.5 Wide Heavy Duty. The 20.5 Finger brake kit comes with everything you need to build your own finger brake. This brake is exactly like the 20 ton HD finger brake.... A majority of our international customers have hydraulic presses that are 20.5" wide between the inside frame rails, hence this 20.5" wide version. The press Brake kit is easy to assemble and will be ready to play with in no time. Designed to fit any press brake that has in inside width between the frame rails of 20.5 wide or wider. Press brake kit includes an adjustable back stop for accurate and repeatable ...