Woodys WST-0830-100 Boss Twist Tire Screws - 30mm/1.181in.

100 pack.
Usage (may vary depending on lug height of tire): loader, forklift, and tractor.

Perfect for long fitting rubber lugs. Sturdy construction will hold up to the harshest conditions. Works great for snowmobiles, snow removal, construction, excavation, and agricultural applications. Provides traction to prevent slipping and spinning on ice, snow, or mud. Zinc coated high grade carbon steel. Large pointed carbide insert for extra traction. Extremely coarse threads with serrations to prevent screws from backing out. Can be installed and removed with Woodys screw installation tool and power tool.