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57 mm Double Ratchamatic® Block — Swivel
Part No. 2634
$264.20 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)340 kg
Maximum working load (lb)750 lb
The Carbo Ratchamatic® is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light-air modes is seamless. Use the 2634 with a 402 or 403 swivel arm for a versatile two-speed mainsheet system.
Sheave Ø (mm)57 mm
Sheave Ø (in)2 1/4 in
Length (mm)116 mm
Length (in)4 9/16 in
Weight (g)204 g
Weight (oz)7.2 oz
Shackle pin Ø (mm)6 mm
Shackle pin Ø (in)1/4 in
Maximum line Ø (mm)10 mm
Maximum line Ø (in) 3/8 in
Maximum working load (kg)340 kg
Maximum working load (lb)750 lb
Breaking load (kg)851 kg
Breaking load (lb)1875 lb
Holding power w/180 degree wrap 50 lb (23 kg) 10:1
DO NOT use Harken Equipment for Human suspension.
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