wire rope pulley / blocks Sort: rigging, ship fittings and lifting fittings. Material: stainless steel 304 or stainless steel 316. Size: Single wheel Pulley: 15mm, 20mm, 25mm, 32mm, 50mm, 75mm, 100mm; Double wheel Pulley: 25mm, 32mm, 50mm. Surface Treatment: polished (Electrical Polishing or Manual Polishing). Packing: cartons. Delivery Time: Within 20 days after we receipt the payments for the goods. Remark: We can produce the following pulleys (Single wheel Pulley, Double wheel Pulley).