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STKK – Endless Round Polyester Textile Sling The STKK sling is a high-performance lifting solution designed to handle delicate, irregular, or heavy loads with maximum safety and care. Constructed from durable polyester fibers arranged into endless loops within a protective sleeve, it ensures even load distribution and minimizes surface damage. Main Specifications: Material: 100% high-strength polyester Safety Factor: 7:1 Operating Temperature: -40 to +100 °C Standard: EN 1492-2:2016 compliant Warranty: 3 months Key Advantages: Gentle on delicate and painted surfaces Lightweight and easy to handle Resistant to moisture, corrosion, UV exposure Compact storage – takes little space High load capacity (up to 250 tons) Ideal for handling fragile or irregular-shaped loads Absorbs dynamic shocks Applications: Industrial and commercial lifting Loading/unloading boats, machinery, pipes Use with cranes, manipulators, transport equipment Marine, automotive, and construction fields Caution: Do not use around sharp edges without protection pads! Do not exceed rated load. Inspect for cuts, abrasions, or wear before use. Load capacity of slings for various slinging methods Way slings Straight climb Climbing "noose" Parallel climb Double branch at β "=" 0 - 45° Double branch at β "=" 45 - 60° In the ring at β "=" 0 - 45° In the ring at β "=" 45 - 60° Coefficient 1,0 0,8 2,0 1,4 1,0 0,7 0,5 Working load, kg Violet 1000 800 2000 1400 1000 700 500 Green 2000 1600 4000 2800 2000 1400 1000 Yellow 3000 2400 6000 4200 3000 2100 1500 Grey 4000 3200 8000 5600 4000 2800 2000 Red 5000 4000 10000 7000 5000 3500 2500 Brown 6000 4800 12000 8400 6000 4200 3000 Blue 8000 6400 16000 11200 8000 5600 4000 Orange 10000 8000 20000 14000 10000 7000 5000 Orange 12000 9600 24000 16800 12000 8400 6000 Orange 15000 12000 30000 21000 15000 10500 7500 Orange 20000 16000 40000 28000 20000 14000 10000 Orange 25000 20000 50000 35000 25000 17500 12500 Orange 30000 24000 60000 42000 30000 21000 15000..