2025 Ronstan Marine Catalogue - Catalog - Page 73
KEELBOAT BLOCKS
Soft Attachment Blocks
71
RF47109
RF7008-09
RF7010-13
RF67109
RF7014-16
RF77109
95mm
RF67109NS
Soft shackle retained by elastomer guides, aluminium
dog bone allows for easy attachment
and removal of the block.
Cheek plates rotate to open the block, close with
spring loaded ball lock securing in place.
Self-lubricating bearing and thrust washers for
optimum dynamic and static performance.
165mm
135mm
RF47109NS
RF77109NS
Lead or floating blocks for headsail sheet trimming.
Mast base blocks.
Cheek plates and sheaves: Aluminium alloy,
anodised.
Temporary lead blocks for sheet deflection, barber
haulers and tack lines.
Bearings and thrust washers:
Proprietary self-lubricating composite.
2:1 main halyards.
Hubs: Grade 2205 stainless steel.
Spare or replacement block for general use.
Soft shackle: Dyneema® SK99 cord with proprietary
coating, aluminium dog bone, TPV collar.
PRODUCT No.
DESCRIPTION
All Purpose
RF47109
RF67109
RF77109
RF47109NS
RF67109NS
RF77109NS
RF7008-09
RF7010-13
RF7014-16
Soft Attachment Block, Single, Snatch
Soft Attachment Block, Single, Snatch
Soft Attachment Block, Single, Snatch
Soft Attachment Block, Single, Snatch - does not include soft shackle
Soft Attachment Block, Single, Snatch - does not include soft shackle
Soft Attachment Block, Single, Snatch - does not include soft shackle
Soft Shackle, 6mm x 95mm, Suits RF47109
Soft Shackle, 8mm x 135mm, Suits RF67109
Soft Shackle, 10mm x 165mm, Suits RF77109
SHEAVE
DIAM.
mm
42
60
75
42
60
75
-
MAX.
ROPE M.W.L.
mm
kg
12
16
19
12
16
19
-
B.L.
kg
2000 4000
4000 8000
7000 14000
2000* 4000
4000* 8000
7000* 14000
2000 4000
4000 8000
7000 14000
WEIGHT
g
SHEAVE
DIAM.
in.
165
365
753
151
335
676
14
30
77
1 5/8
2 3/8
2 15/16
1 5/8
2 3/8
2 15/16
-
Dyneema® is a registered trademark of DSM IP Assets B.V.
* MWL. and BL are for the block only and does not include the soft attachment. Consideration must be given when selecting your attachment option as it may not be equivalent to the block MWL and BL.
MAX.
ROPE M.W.L.
in.
lb
1/2
5/8
3/4
1/2
5/8
3/4
-
4410
8820
15430
4410*
8820*
15430*
4410
8820
15430
B.L.
lb
WEIGHT
oz
8820
17640
30860
8820
17640
30860
8820
17640
30860
5.8
12.9
26.6
5.3
11.8
23.8
0.5
1.1
2.7
