Selden Blocks – PBB100 Single Halyard

  • A plain bearing block handling up to 4 ton load.
  • Block features plain bearing w/acetal bushing & two axial Delrin bearings.
  • These stabilize the sheave when the rope enters or exits the block with an angle.
  • Machined, black anodised aluminium sheave & cheeks.
  • Swivel pin is hollow & chamfered to reduce weight & all stainless parts are insulated from aluminium to prevent corrosion.
  • Blocks are quick & easy to dismantle for maintenance.



Weight: 633.00 g

Safe working Load: 4000 kg

Breaking Load: 8000 kg

Max line size: 20 mm

Pin diam: 16 mm

Shackle diam:  mm

System: PBB100

Block type: singleHalyard

Additional information

Weight 2 lbs
Dimensions 4 × 2 × 7 in