Round sling 1. Quality materials and solid steel construction ensures longevity. 2. Offering quick and easy release and secure locking tension. 3. round sling size: 30mm~ 300mm. 4. safety factor: 1: 5, 1: 6, 1: 7 Hub 0857 1633 5307./ 021-99861413. Email : pdglobalsafety@ yahoo.com