Swivel Mainsheet Cam Base With Ball Bearings, Standard Cam Base For Sailboat Rigging, Rotates Toward Trimmer, Fits 57 To 75mm Block Heads, Handles 3 To 12mm Line, Lightweight 369g, 146mm Tall, 19mm Bolt Spacing, Compatible With Light Duty Ratchets

Swivel Cam Base with Ball Bearings for Sailboat Rigging
✔️ Rotates toward trimmer, 57-75 mm block heads, 3-12 mm line, single unit

Hardened swivel cam base for sailboat mainsheet leads, featuring a ball bearing swivel with dual-row Delrin bearings for smooth rotation under load. Ideal for leads that rotate toward the trimmer, it fits block heads from 57 to 75 mm and handles line thicknesses from 3 to 12 mm. Lightweight at 369 g, 146 mm tall, with 19 mm bolt spacing.

✅ Weight: 369 g
✅ Height: 146 mm
✅ Bolt spacing: 19 mm
✅ Block head compatibility: 57-75 mm
✅ Line thickness: 3-12 mm
✅ Ball bearing swivel base with dual-row Delrin bearings

💡 What is a cam base with swivel used for in sailboat rigging?

These devices act as rotating anchors for lines, enabling controlled trimming with less friction.

- Handy for directing mainsheet tension toward the trim point

- Works with block heads in the 57-75 mm range and lines from 3-12 mm

- Built with dual-row Delrin ball bearings for smooth rotation under load

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