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Mastbase Halyard Lead
57 mm Aluminum Mastbase Block
Part No. 1988
$188.50 In Stock
Sheave Ø (mm)57 mm
Sheave Ø (in)2 1/4 in
Maximum line Ø (mm)10 mm
Maximum line Ø (in) 3/8 in
Maximum working load (kg)1136 kg
Maximum working load (lb)2500 lb
Low-profile mastbase halyard lead blocks are lightweight and can be grouped in a small area at the mastbase.
Sheave Ø (mm)57 mm
Sheave Ø (in)2 1/4 in
Length (mm)81 mm
Length (in)3 3/16 in
Width (mm)35 mm
Width (in)1 3/8 in
Height (mm)73 mm
Height (in)2 7/8 in
Weight (g)175 g
Weight (oz)6.2 oz
Maximum line Ø (mm)10 mm
Maximum line Ø (in) 3/8 in
Fasteners (mm)6 FH mm
Fasteners (in)1/4 FH in
Maximum working load (kg)1136 kg
Maximum working load (lb)2500 lb
Breaking load (lb)5000 lb
DO NOT use Harken Equipment for Human suspension.
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