AL-45 sheave box - Aluminium sheave box with ø45 mm composite sheave, fasteners included Furlex 204 The block is designed for

The block is designed for 4:1 tackles on medium-sized boats and features acetal sheaves

It features ø40 mm plain bearing sheaves for 4:1 purchase of the control line

2400 mm section for the Furlex 200S double-groove foil system

Thread size: 7/16"

6:1 control line system

AL-45 sheave box - Aluminium sheave box with ø45 mm composite sheave, fasteners included Furlex 204 The block is designed forThe kit includes both M6 self tapping screws with a 5,3 mm drill bit as well as 6,4 mm Monel pop rivets. An instruction for assembly is also included. This sheave box can be used for halyards and spinnaker pole lift. Max line size: 12 mm. Safe work load: 800 kg