RONSTAN 30mm Orbit Block - Stand-up, Swivel, RF35140 Blocks_Traveler Ronstan designs and manufactures world-class

Ronstan designs and manufactures world-class blocks and pulleys for all types of sailing

T2 blocks come in single and double configurations and can be tied

The Ratchamatic cheek block mounts on either port or starboard

Type 316 — the second most common grade (after 304)

Impact-resistant

RONSTAN 30mm Orbit Block - Stand-up, Swivel, RF35140 Blocks_Traveler Ronstan designs and manufactures world-classThe 30mm single block with stand up swivel is a true workhorse and is suitable for use in most dinghy control line systems. Great for mainsheets, and control line turning blocks mounted low in the cockpit. Ronstans goal for the Orbit Blocks was to produce a block with the highest strength to weight ratio and they nailed it. Through extensive computer modeling, unnecessary metal components were replaced by engineered lightweight composites without