Pro Series Heavy Duty Snow Blower Skid Shoes Fits 2 in. And 4 3/4 in. Slot Spacing (Set of 2). Designed to lift snow blowers up over sidewalk cracks or bumps. 1/2 inch thick steel bottom runner for longer life. Offers a ski-like glide over uneven terrain like gravel driveways. Armorskids PRO Series is designed exclusively for the Snow Removal Professionals who run their machines nonstop, the new professional series has a full 1/2 in. T steel bottom runner for long life. Extreme duty replacement snow blower shoes set is designed to lift snow blowers up over sidewalk cracks up to almost 2 in. Bottom runners are 12 in. Long, and are CNC cut from 1/2 in. By design, the leading edge of our skid is moved forward, to protect and gently lift snow blowers up over bumps. The angle of the leading edge is less than half that of most stock skids. For every bump the skid encounters, it has more than twice the distance to lift the snow blower up, compared to a stock skid shoe. Made with American Steel. Gravel is brutal on snow blowers. Stock skids dig into gravel, leave ruts, and bend when they encounter frozen rocks. Armors kids provide a ski-like glide over uneven terrain, exactly what is needed for gravel driveways. Details: This skid has 2 slots on 2 in. Centers, and 2 slots on 4.75 in. Centers, and a center slot. Total of 5 slots. Slots designed to have a slightly loose fit on a 3/8 bolt. Washers required (not included). Note that due to size of skid there may be clearance issues with other bolts or protrusions on the snow blower. This item is a matching set of 2 skids. Designed for cracked, uneven sidewalks and gravel driveways. Lifts snow blower up over cracks and bumps. Protects auger housing from damage. Made from 1/2 in. T plate steel (bottom runner). New duel-tip design: skids now have a narrow tip on one end, or can be turned around to use the wide tip on the other end. New narrow-tip design penetrates snow and ice and lets you get down to the pavement. Original wide-tip design gives maximum float over gravel and grass. Set of 2 matching skids. Protects front of snowblower from damage due to cracks and bumps. Customers cannot specify the carrier of their choice. Virgin Islands, Samoa or any US Protectorates. We will work with you to resolve any problem you may have. When your order arrives and “there is no issue”, please leave feedback to notify us that you have received your item. Please give us a chance to work things out before leaving feedback or filing a case. Our goal is to provide the best customer service. All inquiries are answered within 24 hours and our customer service team aims to resolve any issues quickly and effectively. Issues can be effectively addressed through simple communication.