30 mm Ball Bearing Block - Double, Through-Deck lead Sheet Ideal for control lines on

Ideal for control lines on dinghies and keelboats

It is ideal for heavy loads in halyard

The black anodized aluminium car with Torlon ball bearings features a stainless eye for attachment of the main sheet tackle

The block's glass fiber reinforced cheeks provide high strength

The PBB60 Triple Block is a 60mm Plain Bearing Block with glass fiber reinforced polyamide sides

30 mm Ball Bearing Block - Double, Through-Deck lead Sheet Ideal for control lines onThe 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