Size #52 grinding Blade. Commercial Grade Very strong and resharpenable for heavy duty meat grinders. Premium stainless steel knife for meat grinders, choppers and mixer motors with grinding attachments. Super sharp cutting edge. Swirl design with longer cutting surface. Fits electric grinders that use the #52 size accessories. This blade measures 4 3-4" tip-to-tip. Center square hole is 7/8". 11/16" thick. This will fit your grinder if your plates are 5 1/8" across. Smaller and larger sizes also available.