The Fisher 51879 is a genuine Fisher curb guard kit, specifically designed for use on various Fisher snowplow models including 7-1/2', 8', and 8-1/2' HT Series, HD2, and HDX plows. Made from abrasion-resistant material, these curb guards attach to the outer edges of the plow blade to protect it from damage when plowing along curbs or other obstacles. This kit enhances the plow's performance and longevity by allowing confident and precise plowing in challenging environments.