30 mm Ball Bearing Block - Double, Through-Deck lead Sheet The PBB60 Triple Block is

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

while glass fiber reinforced cheeks provide rigidity and durability

30 mm x 3500 mm long pin stop track with holes for M6 fasteners

It is ideal for heavy loads in halyard

It features a ø40 mm plain bearing sheave for 3:1 purchase of the control line

30 mm Ball Bearing Block - Double, Through-Deck lead Sheet The PBB60 Triple Block isThe 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