BLA Compass - 200 Series Bracket Mount ronstan ratchet orbit block series 40 - cheek anti-clockwise rotation 175322 Clam Vent Height (mm):71

175322 Clam Vent Height (mm):71   Length (mm):175   Width (mm):172

All purpose (AP) blocks are a great all around solution

Stainless steel pulley housings

while the additional 1/2" threaded plugged inlet port offers versatility for connecting a deckwash pump if desired

The ribbed finish on the tube provides additional positive grip along its full length

BLA Compass - 200 Series Bracket Mount ronstan ratchet orbit block series 40 - cheek anti-clockwise rotation 175322 Clam Vent Height (mm):71Easy to install, and suitable for most small craft for fresh or saltwater operation. Features: 65mm apparent card diameter 2 accuracy, marked in 5 graduations Adjustable compensators Jewelled pivot movement assembly Individually balanced dials for precision 12 volt red illumination Adjustable sun visor