2020 Ronstan Sailboat Hardware Catalogue - Page 45



SPORTS BLOCKS
Upright Lead Blocks
RF2416
RF919
2 x 6mm (1/4”)
RF453
2 x 5mm (3/16”)
RF568
4 x 5mm (3/16”)
2 x 5mm (3/16”)
RF15174
RF15171
RF569
RF917
2 x 5mm (3/16”)
RF20171
43
RF2379
2 x 5mm (3/16”)
2 x 4mm (5/32”)
RF20174
RF30171
2 x 4mm (5/32”)
4 x 4mm (5/32”)
2 x 4mm (5/32”)
2 x 4mm (5/32”)
2 x 5mm (3/16”)
RF55171
RF50171
RF40171
RF30174
2 x 5mm (3/16”)
2 x 5mm (3/16”)
2 x 6mm (1/4”)
RF51171
2 x 6mm (1/4”)
RF41171
Upright lead blocks are a low profile solution
for leading lines to cleats or jammers.
BB & AP sheaves: UV stabilised acetal.
SP sheave: Self-lubricating Nylatron®.
2 x 5mm (3/16”)
SHEAVE
DIAM.
mm
MAX.
ROPE
mm
MAX.
WIRE
mm
Ball Bearing
RF15171
Upright lead block
RF15174
Pivoting lead block
RF20171
Upright lead block
RF20174
Pivoting lead block
RF30171
Upright lead block
RF30174
Pivoting lead block
RF40171
Upright lead block
RF50171
Upright lead block
RF55171
Upright lead block
15
15
20
20
30
30
40
50
55
5
5
6
6
8
8
10
12
10
Special Purpose - Nylatron® sheave
RF453
Upright lead block
22
All Purpose
RF568
RF569
RF917
RF919
RF2379
RF2416
RF41171
RF51171
19
19
19
29
13
32
40
50
PRODUCT No.
DESCRIPTION
Upright lead block, removable sheave
Upright lead block
Upright lead block
Upright lead block
Upright lead block
Upright lead block, removable sheave
Upright lead block
Upright lead block
Cheeks: Grade 316 stainless steel.
2 x 6mm (1/4”)
M.W.L.
kg
B.L.
kg
WEIGHT
g
SHEAVE
DIAM.
in
MAX.
ROPE
in
MAX.
WIRE
in
M.W.L.
lb
B.L.
lb
WEIGHT
oz
-
120
120
250
250
300
300
350
500
500
550
350
550
550
750
650
1000
1500
1000
9
16
18
30
30
50
60
116
91
5/8
5/8
3/4
3/4
1 3/16
1 3/16
1 9/16
2
2 5/32
3/16
3/16
1/4
1/4
5/16
5/16
3/8
1/2
3/8
-
260
260
550
550
660
660
770
1100
1100
1210
770
1210
1210
1650
1320
2200
3310
2200
0.3
0.6
0.6
1.1
1.1
1.8
2.1
4.1
3.2
3
3
160
320
30
7/8
1/8
1/8
350
700
1.1
5
8
8
6
5
5
10
12
-
250
250
250
600
250
300
400
750
500
500
500
1200
500
800
1000
1500
20
20
20
50
20
40
59
115
3/4
3/4
3/4
1 3/32
19/32
1 1/4
1 9/16
2
3/16
5/16
5/16
1/4
3/16
3/16
3/8
1/2
-
550
550
550
1320
550
660
880
1650
1100
1100
1100
2640
1100
1760
2200
3310
0.7
0.7
0.7
1.8
0.7
1.4
2.1
4.1

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