Home / Recreation / Exercise Equipment Hex Nut 012111 Exercise Equipment Hex Nut 012111$2.99 Price may not be up-to-date. In Stock View Product Part Number: 012111 Brand: PROFORM FITNESS PRODUCTS, INC Seller: Sears PartsDirect Category: Recreation Not Returnable Description This nut (part number 012111) is for exercise equipment. Follow appropriate safety practices when installing nut 012111.