#52 size Commercial Grade replacement knife LARGE # 52 size replacement meat grinder knife. Fits many brands including Hobart, Biro, Berkel and others. (Some Toledo Scale grinders) Raised cutting edges. Heavy Duty blade. Super Sharp. Long lasting. No Rust. (Lifetime Guarantee against rust) Size #52 replacement knives Premium Stainless Steel Fits most #52 size Electric grinders with plates that are 5 1/8" across 7/8" (22mm) center square hole 4 5/8" tip-to-tip 3/4" thick Will fit your grinder if your plates are 5 1/16 - 5 1/8" across This knife typically fits most #52 meat grinders