57 mm Triple Block — Swivel Gifts Ideas The Carbo Ratchamatic® is a

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

and reef with ease and acts as extra crew if you’re sailing shorthanded

Breaking load (kg)735 kg

Weight (g)18 g

57 mm Triple Block — Swivel Gifts Ideas The Carbo Ratchamatic® is aPart No. 2604 Sheave (mm)57 mm Sheave (in)2 1 4 in Maximum line (mm)10 mm Maximum line (in)3 8 in Maximum working load (kg)1080 kg Maximum working load (lb)2380 lb Low friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.