Block single Wire through-deck (high resistance) 51mm
Harken
Article number :  HK310
Lightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes.
Sheave Ø (mm) 51 mm
Sheave Ø (in) 2 in
Weight (g) 163 g
Weight (oz) 5.75 oz
Maximum wire Ø (in) 3/16 in
Maximum wire Ø (mm) 5 mm
Maximum line Ø (mm) 6 mm
Maximum line Ø (in) 1/4 in
Fasteners (mm) 6 RH mm
Fasteners (in) 1/4 RH in
Mounting hole spacing (mm) 94 mm
Mounting hole spacing (in) 3 11/16 in
Cutout (mm) 14 x 73 mm
Cutout (in) 9/16 x 2 23/32 in
Maximum working load (kg) 907 kg
Maximum working load (lb) 2000 lb
Breaking load (kg) 1814 kg
Breaking load (lb) 4000 lb