501-32 Tie Downs 501-32 Tie Downs email A heavy duty tie-down mounted in our Nielsen steel dish makes the 501-32 series tie down a long lasting fixture on your case or equipment. Mounts into a 3.10" x 3.40" rectangular opening. Part Number Material Finish 501-32-M20-ZN Steel Zinc Product Inquiry Form Your Name (required) Your Email (required) Product Inquiring About Question Post navigationPrevious post: 503 Series HandleNext post: 975, 978 Lifting Grapples