Harken 40mm Twing Block

<p><strong>40mm Twing Block</strong></p><p>Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming.</p><p><strong>Features:</strong></p><ul><li>Opening side plate - Easy to rig and remove from sheet</li><li>Spring biased to open when unlatched - One-handed operation</li><li>Roller at pivot base - Use 1:1 or 2:1 up-down control</li><li>Carbo Air® block construction - High strength for durability and lightweight for maximum float in light air</li></ul><p><strong>Uses:</strong></p><ul><li>Dinghies, sport boats, and small keelboats</li><li>Spinnaker sheet and guy control</li><li>Code zero sheet up-down control</li></ul><p><strong>Specifications:</strong></p><ul><li>Sheave Ø (mm): 40 mm</li><li>Sheave Ø (in): 1-9/16 in</li><li>Length (mm): 89 mm</li><li>Length (in): 3-1/2 in</li><li>Weight (g): 86 g</li><li>Weight (oz): 3 oz</li><li>Maximum line Ø (mm): 12 mm</li><li>Maximum line Ø (in): 3/8 in</li><li>Maximum working load (kg): 275 kg</li><li>Maximum working load (lb): 606 lb</li><li>Breaking load (kg): 825 kg</li><li>Breaking load (lb): 1818 lb</li></ul> <!--- cis2:mm5sl5hm --->