Ronstan Series 60 Core Block, Halyard

Brand: Ronstan
Part Number: RF64108
$98.47

Core Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.

Applications

  • Ideal for mainsheet, halyard and spinnaker sheet applications on boats to 12m (40ft).
  • Various control line applications on larger yachts.
  • Alloy sheave models are available for use with wire.

Part # Description Sheave Diameter Max Rope Max Wire Pin Diameter M.W.L Breaking Load Weight
in mm in mm in mm in mm lbs kg lbs kg oz g

RF64100

Single Block

2 3/8

60

1/2

12

-

-

1/4

6

2200

1000

4410

2000

8.3

235

RF64100AW

Single Block with Aluminum Wire Sheave

2 3/8

60

1/2

12

3/16

5

1/4

6

2200

1000

4410

2000

10.3

292

RF64103

Single Block with Trunion Snap Shackle Head

2 3/8

60

1/2

12

-

-

-

-

2200

1000

4410

2000

10.1

285

RF64108

Halyard Block

2 3/8

60

1/2

12

-

-

5/16

8

2200

1000

4410

2000

6.6

186

RF64108A 

Mast Base Block with Removable Clevis Pin Head

2 3/8

60

1/2

12

-

-

5/16

8

2200*

1000*

4410*

2000*

6.4

182

RF64108AW

Halyard Block with Aluminum Wire Sheave

2 3/8

60

1/2

12

3/16

5

5/16

8

2200

1000

4410

2000

7.5

212

RF64110

Single Block with Removable Becket Pin

2 3/8

60

1/2

12

-

-

1/4

6

2200

1000

4410

2000

9.7

275

RF64140

Stand Up Block with Swivel Head Post and Padeye Base

2 3/8

60

1/2

12

-

-

-

-

2200

1000

4410

2000

13.2

372

RF64151

Single Foot Block

2 3/8

60

1/2

12

-

-

-

-

2200

1000

4410

2000

6.4

180

RF64202

Double Block with Non-swivel Head

2 3/8

60

1/2

12

-

-

-

-

2200

1000

4410

2000

13.8

390