1pcs M20 Stainless Steel 304 Single Pulley Block Chain Traction Wheel Swivel Lifting Rope without bearing
https://www.vogueparade.com/shopping/EN/100007498/1/1005002952523664/1pcs-m20-stainless-steel-304-single-pulley-block-chain-traction-wheel-swivel-lifting-rope-without-bearing//