Ronstan Orbit Series 55 Double Becket Block w/ Swivel Head Viper 640 : 3/32" wire (2 mm)

: 3/32" wire (2 mm)

Mast Ø - 2 3/8 in

The new lever allows for easy setup of an inner forestay with the ability to quickly remove the fitting and store the fitting and wire out of the way

Delrin(tm) sheaves run on plain bearings for high static loads

Ronstan Orbit Series 55 Double Becket Block w/ Swivel Head Viper 640 : 3/32" wire (2 mm)Product Description Orbit Series 55 Double Becket Block w Swivel Head Features Ultra Lightweight Low friction 2 stage Orbital ball bearing system Highest working load in its class Low profile and compact High performance cleating Swivel shackle head for unlimited block rotation. Stainless steel shackle head for ultimate durability and compatibility with harsh fixing points. Ultra low profile integrated beckets. Sheave 2 5 32 in. Max. Rope 3 8 in. Max.