2025 Ronstan Marine Catalogue - Catalog - Page 26
SPORTS BLOCKS
Series 40 Utility
24
RF41101
RF41100
RF41200
RF41300
RF41140
2 x 5mm (3/16”)
RF41111
RF150
4.8mm
(3/16”) pin
RF41110
RF41210
RF41310
RF134
RF134A (countersunk holes)
RF41010
Snap-in keyhole
becket pin
RF321
Suits shackle
head blocks
Self-lubricating acetal polymer sheave
ensures low friction and extreme durability.
Captive Lock™ universal head can be fixed at
0° or 90°, or left free to swivel on single blocks.
High static and dynamic load capacity.
Double & triple blocks have a swivel shackle head
for full 360° rotation (non-locking).
Long service life, virtually maintenance free.
PRODUCT No.
DESCRIPTION
All Purpose
RF41100
Single block, universal head
RF41101
Single block, loop head
RF41110
Single block, becket, universal head
RF41111
Single block, becket, loop head
RF41140
Stand-up block, swivel head
RF41200
Double block, swivel shackle head (non-locking)
RF41210
Double block, becket, swivel shackle head (non-locking)
RF41300
Triple block, swivel shackle head (non-locking)
RF41310
Triple block, becket, swivel shackle head (non-locking)
RF2454
Suits loop
head blocks
Removable becket pins allow lines to be spliced
prior to fitting and are locked into position without
the use of split rings or tools.
Low profile stand-up block has swivel head
post to allow full articulation and rotation.
SHEAVE
DIAM.
mm
MAX.
ROPE
mm
PIN
DIAM.
mm
M.W.L.
kg
B.L.
kg
WEIGHT
g
SHEAVE
DIAM.
in.
MAX.
ROPE
in.
PIN
DIAM.
in.
M.W.L.
lb
B.L.
lb
WEIGHT
oz
40
40
40
40
40
40
40
40
40
10
10
10
10
10
10
10
10
10
5
5
5
5
5
5
400
400
400
400
400
600
600
700
700
1000
1000
1000
1000
800
1200
1200
1400
1400
71
54
80
61
72
135
143
195
209
1 9/16
1 9/16
1 9/16
1 9/16
1 9/16
1 9/16
1 9/16
1 9/16
1 9/16
7/16
7/16
7/16
7/16
7/16
7/16
7/16
7/16
7/16
3/16
3/16
3/16
3/16
3/16
3/16
880
880
880
880
880
1320
1320
1540
1540
2200
2200
2200
2200
1760
2650
2650
3090
3090
2.5
1.9
2.8
2.2
2.5
4.8
5.0
6.9
7.4
