Page 26 - Harken

Micro Blocks Actual Size

Low-friction Micro blocks are compact 225
and lightweight. They are ideal for sailboards, 224
smaller dinghies, and lightly loaded control lines
on boats of all sizes.
Micro block sheaves run exclusively on ball
bearing systems for fast trim and release under
any load. Delrin ball bearings are UV-stabilized
®
with carbon black for maximum protection.
Stainless steel sideplates add strength. 226 227 228
Use for:
Cunninghams/outhauls
Vangs
Traveler controls
Barberhaulers
Flag halyards
Leech cords
Lead car return tackles
230
Micro fiddle with rounded V-Jam,
or triples with cam make compact
self-cleating tackles.

232 229
231

233

52 mm 234
(2 1/16") 235

Cutout
16 mm (5/8") x 40 mm (1 9/16")
54 mm
(2 1/8") 243
443
27 mm
242 25 mm 22 mm 292 377 244 245 (1 1/16")
(7/8")
(1")
Delrin is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates. Sheaves see page 78.
Sheave Shackle pin Max line Maximum Breaking
Part Ø Length Weight Ø Ø working load load
No. Description in mm in mm oz g in mm in mm lb kg lb kg
224 Single 7/8 22 1 1/2 38 .5 14 1/4 6 200 91 1200 544
225 Single/becket 7/8 22 2 51 .75 21 1/4 6 200 91 1200 544
226 Double 7/8 22 2 51 1.5 43 1/4 6 350 159 1200 544
227 Double/becket 7/8 22 2 1/2 64 1.5 43 1/4 6 350 159 1200 544
228 Triple 7/8 22 2 51 2 57 1/4 6 500 227 1200 544
229 Triple/becket 7/8 22 2 1/2 64 2.25 64 1/4 6 500 227 1200 544
230 Triple/471 Carbo-Cam 7/8 22 2 51 3.5 99 1/4 6 500 227 1200 544
231 Triple/471 Carbo-Cam/becket 7/8 22 2 1/2 64 3.5 99 1/4 6 500 227 1200 544
232 Traveler 7/8 22 2 3/4 71 1.25 35 1/4 6 200 91 1200 544
233 Cheek*** 7/8 22 2 1/2 64 .75 21 1/4 6 200 91 1200 544
234 Single/shackle 7/8 22 2 1/4 57 .75 21 3/16 5 1/4 6 200 91 1200 544
235 Single/shackle/becket 7/8 22 2 3/4 71 1 28 3/16 5 1/4 6 200 91 1200 544
242 Through-deck*** 7/8 22 2 5/8 67 1 28 1/4 6 200 91 1200 544
243 Upright*** 7/8 22 1 1/2 38 1 28 1/4 6 200 91 1200 544
244 Fiddle/V-Jam* 7/8 22 3 1/2 89 2 57 3/16 5 1/4 6 350 159 1200 544
245 Fiddle/V-Jam/becket** 7/8 22 4 102 2 57 3/16 5 1/4 6 350 159 1200 544
292 Single/swivel 7/8 22 2 3/8 60 1 28 5/32 4 1/4 6 200 91 1200 544
377 Forkhead 7/8 22 1 21/32 42 .56 16 1/4 6 200 91 1200 544
443 Block/eyestrap assembly‡ 7/8 22 1 3/4 45 .56 16 1/4 6 200 91 1000 454
*Use w/225 or 235. **Use w/226. ***#10 (5 mm) RH fasteners. ‡#8 (4 mm) RH fasteners.
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