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Low-profile mastbase halyard lead blocks are lightweight and can be grouped in a small area at the mastbase.
- Sheave Ø (mm): 44 mm
- Sheave Ø (in): 1 3/4 in
- Length (mm): 73 mm
- Length (in): 2 7/8 in
- Width (mm): 22 mm
- Width (in): 7/8 in
- Height (mm): 57 mm
- Height (in): 2 1/4 in
- Weight (g): 95 g
- Weight (oz): 3.36 oz
- Maximum line Ø (mm): 10 mm
- Maximum line Ø (in): 3/8 in
- Number of fasteners: 2
- Fasteners (mm): 6 RH mm
- Fasteners (in): 1/4 RH in
- Maximum working load (kg): 340 kg
- Maximum working load (lb): 750 lb
- Breaking load (lb): 1500 lb
- Breaking load (kg): 680 kg