The BEST #32 meat grinder replacement blade available Extra heavy duty for Hobart, Biro, Berkel and other commercial duty meat grinders. Welded cutting edges that are very hard stainless steel with much longer life. This knife is much stronger than most non-stock replacements. #32 size replacement blade for Hobart, Biro, Berkel and other heavy duty meat grinders Knife measures 3 1/2" tip-to-tip. 9/16" square hole. 9/16" thick (13.8 mm)** Note. This knife is 13.8 mm thick. Not suitable for hand grinders or lightweight imported #32 meat grinders. Measure the thickness of your old knife prior to ordering. This knife is made for heavy duty, large capacity meat grinders. Fits with grinder plates that are 3 15/16" across. **As with ANY meat grinder, always tighten the closing ring by hand ONLY. Do not overtighten the closing ring. Let it gently close until it stops. Your plate and knife will last much, much longer without the unnecessary stress from overtightening the ring. View our complete store at https://www.ebay.com/str/butcherbaker