30 mm Ball Bearing Block - Double, Through-Deck lead Sheet It is ideal for heavy

It is ideal for heavy loads in halyard

Fasteners: 1x MRT M5

while glass fiber reinforced cheeks provide rigidity and durability

Ideal for control lines on dinghies and keelboats

30 mm Ball Bearing Block - Double, Through-Deck lead Sheet It is ideal for heavyThe Seldn BBB30 Double TD block is a 30mm ball bearing block designed for leading a line through a coaming or deck. Made with stainless steel ball bearings and glass fiber reinforced polyamide, it is lightweight yet strong. Mounted with 2 M5 screws. Acetal bearing cage to prevent ball to ball friction and to reduce weight. Typically used to lead the 8 mm furling line of a Furlex 204TD from the anchor box installation through deck and back to the