Ronstan, Series 40 BB fiddle block with swivel & cam cleat

Description

The fiddle block is designed for precise trimming and secure control of sheets and control lines onboard. It combines two sheave diameters with a swivel head, ensuring stability under load.

• Brand: Ronstan
• Working load: 350 kg
• Breaking load: 1000 kg
• Sheave diameter: 40 mm
• Rope Ø: 8 mm
• Product weight: 156 g
• Package dimensions: Gross weight: 0.18 kg

This fiddle block is an effective choice for sailors who want stable trimming of sheets and control lines. It combines two sheave diameters with a swivel head and cam cleat, so line routing and holding work securely under load. The block features a 2-stage ball bearing system that provides low friction on both sheaves. The reinforced nylon construction and stainless steel parts ensure reliability and stable performance in both light and heavy weather. The model is a great fit for mainsheet systems, halyard setups and spinnaker control on both dinghies and sport boats. The swivel head can be locked or allowed to rotate freely, so the block can be adapted to different mounting points. The two sheave diameters make the block suitable for purchases with varying loads, while the cam cleat provides quick and secure holding of the line close to hand position. This gives precise control, especially during active trimming.

INSTRUCTIONS FOR USE Mount the block via the swivel fitting. Lead the line correctly over both sheaves and into the cam cleat. Avoid twisting, and do not exceed the specified load through the cleat.