Thumper Fabrication TF010702-X Ranger Big Nerf Rails / Nerf BarsThumper Fabrication TF010702 X Ranger Big Nerf Rails Nerf Bars WIDE, LARGE, & IN CHARGE. These nerf rails for your Polaris Ranger XP 1000 and PolarisRanger 1000 give you the BIG step up you need. Great for accessing your Thumper Fab roof rack or protecting your Ranger from brush and trail debris. Their is simply no other nerf bars like them. We build them using the same DOM tubing we use for roll cages! These bad boys are stout! Compatible with Ranger