2020 Ronstan Sailboat Hardware Catalogue - Page 39



SPORTS BLOCKS
Series 60 Ultimate Ratchet
RF62100
RF62175
4 x 5mm (3/16”)
RF62174
Clicking
Crew
RF62000
Load
Low
lead in
Pivoting
4 x 5mm (3/16”)
Effective extruded hole design provides
up to 20:1 holding power.
Dinghy mainsheet systems - when maximum
holding power is required.
Sheave & cheek plates: Anodised aluminium.
On/Off switch is fitted to both sides of block
so it can be used on port or starboard side.
Switch can be removed from one side if required.
RF62100 mainsheet systems on sportsboats
using RF7 mainsheet swivel cleat unit.
Ratchet pawl: High strength Torlon®.
Unique On/Off switch mechanism can be
operated under load.
Spinnaker sheets on sportsboats and
small keelboats (lateral lead blocks).
Low friction ball bearing system.
Ball bearings: High compression strength acetal.
Swivel shackle head fitting: Grade 316
stainless steel.
Control line applications on larger yachts.
Pivoting Lead blocks maintain alignment
and keep lines close to the deck.
PRODUCT No.
DESCRIPTION
Ball Bearing
RF62000
Sheave
RF62100
Single block, manual, swivel shackle head
RF62174
Pivoting low lead block
RF62175
Pivoting low lead block, cleat
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
60
60
60
60
10
10
10
10
5
-
250
250
250
1370
1370
1370
44
135
147
285
2 3/8
2 3/8
2 3/8
2 3/8
3/8
3/8
3/8
3/8
3/16
-
550
550
550
3020
3020
3020
1.6
5.3
5.2
10.1
37

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