BLA Compass - 200 Series Bracket Mount ronstan ratchet orbit block series 40 - cheek anti-clockwise rotation Rubber one-way flap with coarse

Rubber one-way flap with coarse threaded nylon nipple

Stainless steel pulley housings

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

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

bench mounted with the curved handle design allowing for simple operation

BLA Compass - 200 Series Bracket Mount ronstan ratchet orbit block series 40 - cheek anti-clockwise rotation Rubber one-way flap with coarseEasy 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