Traditional Barton Block Range – Series 3: 45 mm Blocks

A strong, lightweight range of blocks for use on dinghies, dayboats and light cruising yachts. Ideal for mainsheet, vang, lead blocks or wherever a powerful and compact purchase tackle is required.

A comprehensive range of cam cleat, fiddle and fiddle & cam cleat versions are available.

Overview
Sheave size Single 45mm x 13mm (1 3 /4 x 1/2")

Fiddle 30/58mm x 13mm (1 3 /16 x 2 1/4" x 1/2")
Max rope diameter Max rope diameter 10mm ( 3 /8")
Break load SWL 385Kg (848 lbs)
Break load Break load 770Kg (1697 lbs)
Max rolling load Max rolling load (ball bearing blocks) 270kg 595 lbs)
   
All available with plain or ball bearing sheaves:

Plain bearing blocks
Barton plain bearing blocks have a precision moulded acetal sheave running on a large diameter brass bearing, ensuring free running under the highest of loads.

Ball bearing blocks
With our unique super-low friction ball race systems, featuring acetal sheaves and delrin ball bearings, running on a large diameter centre boss. This allows us to fit more load-bearing balls, which ensure extremely low friction performance, even under high loads.

Important note - break loads
Where break and safe working loads are stated, it is assumed that all sheaves are evenly loaded as in a purchase tackle. Uneven loading, or loading of one sheave in a double or triple block, will severely affect strength quoted. If unsure, please seek further assistance.

Maximum rolling load on ball bearing blocks is the maximum free running load before ball bearings will distort.

Fixed Eye Clevis Pin
Fixed Eye
Reverse Shackle
Swivel
Becket
Variloc Multi Head
Snap Shackle
Fixed Eye Clevis Pin Fixed Eye Reverse Shackle Swivel Snap Shackle Variloc Multi Head Becket
A simple, low priced fixed eye block with removable clevis pin for attachment. Pin Ø 5mm. Width between straps 13mm. With plain attachment eye. Removable shackle that can be set in-line or at 90° to the sheave. Fully swivelling head with removable shackle. With a cast stainless steel swivelling snap shackle. Ideal for quick-release downhauls or vang tackles. Allows swivel to be locked at 30° positions in relation to sheave. Inverting the plastic locking piece converts the swivel mode. Supplied with screw pin strip shackle. All the appropriate 45mm blocks are available with or without becket.
  Plain sheave   ball-bearing sheave Length mm
Weight (g)
        plain ball
Single size 3 blocks Plain sleave   Ball-bearing sleave Length Weight (g)
Single - fixed eye clevis pin 03 090   13 090 97 85 88
Single - fixed eye clevis pin + becket 03 091   13 091 112 94 96
Single - fixed eye 03 110   13 110 90 77 79
Single - fixed eye + becket 03 111   13 111 107 84 88
Single - reverse shackle 03 120   13 120 105 85 88
Single - reverse shackle + becket 03 121   13 121 117 94 96
Single - swivel 03 130   13 130 107 89 90
Single - swivel + becket 03 131   13 131 122 97 99
Single - snap shackle 03 140   13 140 118 121 122
Single - snap shackle + becket 03 141   13 141 132 130 131
Single - upright 03 150   13 150 75 122 126
Single - upright with fairlead 03 151   13 151 85 132 133
Single - cheek block 03 160   13 160 92 109 110
Curved backing plate (for cheek block) 03 161   - 92 19 -
Single - stand up 03 170   13 170 118 158 162
Single - stand up + becket 03 171   13 171 129 169 172
Single - variloc 03 180   13 180 104 90 92
Single - variloc + becket 03 181   13 181 117 98 100
Double size 3 blocks            
Double - fixed eye 03 210   13 210 90 124 131
Double - fixed eye + becket 03 211   13 211 100 132 136
Double - reverse shackle 03 220   13 220 104 134 139
Double - reverse shackle + becket 03 221   13 221 117 142 146
Double - swivel 03 230   13 230 107 138 144
Double - swivel + becket 03 231   13 231 127 147 152
Double - upright 03 250   13 250 75 171 176
Triple size 3 blocks            
Triple - reverse shackle 03 320   13 320 104 183 193
Triple - reverse shackle + becket 03 321   13 321 117 191 199
Triple - swivel 03 330   13 330 117 204 213
Triple - swivel + becket 03 331   13 331 130 211 220
Fiddle size 3 blocks            
Fiddle - fixed eye 03 410   13 410 147 151 156
Fiddle - fixed eye + becket 03 411   13 411 160 157 167
Fiddle - reverse shackle 03 420   13 420 162 161 165
Fiddle - reverse shackle + becket 03 421   13 421 175 168 172
Fiddle - swivel 03 430   13 430 165 163 168
Fiddle - swivel + becket 03 431   13 431 176 170 177
Fiddle - snap shackle 03 440   13 440 174 195 199
Fiddle - snap shackle + becket 03 441   13 441 188 202 206
Fiddle - variloc 03 480   13 480 160 165 169
Fiddle - variloc + becket 03 481   13 481 175 163 188
Cam cleat size 3 blocks            
Single - swivel + becket + cam 03 511   13 511 121 188 196
Triple - swivel + becket + cam 03 531   13 531 137 306 315
Single - snap shackle + becket + cam 03 541   13 541 129 345 347
Single - stand up + becket + cam 03 571   13 571 136 261 263
Fiddle - swivel + becket + cam 03 631   13 631 178 250 255
Fiddle - snap shackle + becket + cam 03 641   13 641 188 281 280
Fiddle - variloc + becket + cam 03 681   13 681 170 253 257
Fiddle swivel + becket + plastic cam 03 731   13 731 178 253 257
Stanchion lead size 3 blocks            
Single - stanchion lead 03 190   13 190 120 104 106