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["1st Class Eligible","Brand_Harken","Hunting \u0026 Fishing","Hunting \u0026 Fishing | Fishing Accessories","MAP","Sailing","Sailing | Blocks"]
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40mm Twing Block
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.
Features:
Opening side plate - Easy to rig and remove from sheet
Spring biased to open when unlatched - One-handed operation
Roller at pivot base - Use 1:1 or 2:1 up-down control
Carbo Air® block construction - High strength for durability and lightweight for maximum float in light air
Uses:
Dinghies, sport boats, and small keelboats
Spinnaker sheet and guy control
Code zero sheet up-down control
Specifications:
Sheave Ø (mm): 40 mm
Sheave Ø (in): 1-9/16 in
Length (mm): 89 mm
Length (in): 3-1/2 in
Weight (g): 86 g
Weight (oz): 3 oz
Maximum line Ø (mm): 12 mm
Maximum line Ø (in): 3/8 in
Maximum working load (kg): 275 kg
Maximum working load (lb): 606 lb
Breaking load (kg): 825 kg
Breaking load (lb): 1818 lb
Owner's Manual (pdf)
