REPLACEMENT FAN BLADES OPTIONS: Type 2, Blade Dimensions: 21.65"L x 7.32"W (Max) x 4.65"W (Min); Blade Hole Pattern: 4.25" x 2.99" x 0.22" COMPATIBITITY: Pre-Drilled Standard Size Holes Fit Most 52 Inch Fans. If Custom Adjustments are Needed Please Refer to Custom Resizing Instructions Image DETAILS: Constructed of Plywood with Brushed Nickel Finish Approved for INDOOR Locations PRODUCT SATISFACTION GUARANTEED: 1 Year Limited Manufacturer's Warranty.