290ID: 0.350 Requires 2 per unit 6 Mounting HolesScraper Details:Length: 17Width: 2-1/4Thickness: 3/4 3 Mounting HolesReplaces Part Numbers: 117-7700 x 2 and 117-7717 x 1.One New Aftermarket Replacement Snow Blower Paddle & Scraper Bar Kit Fits Toro Snowblower models: Power Clear 180, Power Clear 418, Powerlite.