The NO BULL Bullhorn Ladder Stabilizer Bumpers (2-Pack) are heavy-duty, non-skid rubber guards that protect your siding and other work surfaces. They fit securely on most standard ladder stabilizers providing superior durability, toughness and reliability. Our products are crafted to the demanding specifications of professional contractors, while also being easy to use and available to the weekend handyman or home DIY'er. Warning: This product contains chemicals known to the state of California to cause cancer and birth defects or other reproductive harm.