Utility Blocks

Series 50mm & 60mm


  •  Exceptionally high working loads
  •  Low maintenance, long service life
  •  Self-lubricating Acetal polymer sheave ensures low friction and extreme durability

  Product No. Desc. Sheave ØMax. Rope ØMax. Cable ØPin ØM.W.L.B. L.Weight
 RF51100 RF51100 Single, universal head 5012-5.07501500118
 RF51101 RF51101 Single, loop head 5012--750150098
 RF51110 RF51110 Single, becket, universal head 5012-5.07501500134
 RF51111 RF51111 Single, becket, loop head 5012--7501500114
 RF51140 RF51140 Single, stand up 5012--7501500118
 RF51151 RF51151 Single Block, cheek 5012--500100085
 RF51200 RF51200 Double, universal head 5012-6.010002000255
 RF51210 RF51210 Double, becket, universal head 5012-6.010002000271
 RF51300 RF51300 Triple, universal head 5012-6.012002400369
 RF51500 RF51500 Fiddle, universal head 54 + 3410-5.07501500167
 RF51510 RF51510 Fiddle, becket, universal head 54 + 3410-5.07501500176
 RF51530 RF51530 Fiddle, becket, adj. cleat, universal head* 54 + 3410-5.07501500318
 RF66100 RF66100 Single block, swivel shackle head (non-locking) 6014611002200248


All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.


  • Mainsheet and halyard applications, vang and spinnaker control lines on boats to 10m (33ft)
  • S60 - on boats up to 12m (40ft)