Ronstan Series 100 Core Blocks

Ronstan Series 100 Core Blocks are a stylish, functional addition to sail and raceboats up to 16m (53ft). Ideal for use in mainsheet, spinnaker >Sheet, Vang, Halyard and >Backstay applications.

A full contact Bearing provides excellent performance across the full working load Range, with an integrated thrust Bearing feature and the resilience to handle high dynamic or >Static loads.

• Universal >Head with full 3-axis articulation
• High dynamic and >Static load capacity
• High load Bearing system
• Ball bearings to counteract side thrust loads
• Class leading performance and sleek, contemporary styling
• Durable aluminium alloy cheek plates
• Central hub hole can be used as a becket take-off or tie-up point
• Head posts can be locked at 0 or 90 degrees, by using a 2.5mm Hex Key