OnSpot Automatic Tire Chains for safety in ice and snow

FEATURES:

• All components anodized and plated for corrosion resistance
• DOT Approved and Certified GRADE 8 Hardware
• Square Cut Twisted Chain for Maximum Traction in Forward and Reverse
• Chainwheel helmets to protect bearing and casting
• 5/8 inch thick ASTM A-36 steel mounting brackets
• Continuous duty solenoid
• Lighted switch with safety guard and label
• Electric wire meets NFPA #1901 standards
• Full product liability insurance
• DOT approved in all 50 States
• The original product in the industry
• Replaceable chainplates are thru hardened nickel manganese alloy