Item Type: Snow Blower Impeller Material: Alloy Application: The kit reduces the existing clearance between the snow blower impeller blade and the impeller chamber wall. The smaller the clearance, the higher the operating efficiency and snow throwing capacity of your machine, and the less likely your machine will be blocked by snow. Fitment: Applicable to two stage snow blower. Package List 1 x Snow Blower Impeller Kit (28pcs accessory, including 4pcs screw with plastic washer) This item can not suit for Ariens Compact 24 snow blower. 1Fine Impeller: The kit reduces the existing clearance between the snow blower impeller blade and the impeller chamber wall. The smaller the clearance, the higher the operating efficiency and snow throwing capacity of your machine, and the less likely your machine will be blocked by snow. 2Efficient Use: High in hardness, the 1/4in impeller enable easier snow removal, which will make your winter going out much easier. 3Premium Alloy: Adopting premium alloy material with a sturdy structure, not easy to deform, and has great durability for long use. 4The Accessories: Including 28pcs accessory in total, such as lock nut, self tapping screw, sheet metal screw, washer and so on. 5Easy to Install: Comes with a compact size and a light weight as well, the convenient installation can be quickly completed.