Ronstan RF46101 40mm Auto Ratchet Block | Link Head Orbit Block

The Ronstan RF46101 Auto Ratchet Block is a compact, high-grip 40mm pulley block designed for dinghies, skiffs, and performance boats. This automatic ratchet block engages under load and disengages when it’s not needed—giving sailors the perfect blend of holding power and free-running responsiveness.

Part of the advanced Ronstan Orbit Series, the RF46101 features a link head for universal articulation, ball bearing sheave for smooth operation, and a lightweight, durable composite frame. Ideal for spinnaker sheets, mainsheets, or other fast-running control lines, this block is engineered for peak responsiveness and control.

✅ Key Features

• Ronstan RF46101 – 40mm auto ratchet pulley block

• Automatic ratchet engagement under load

• Ball bearing sheave for smooth, efficient line handling

• Link head for flexible attachment and articulation

• Lightweight Orbit Series composite construction

• Ideal for dinghies, skiffs, and high-performance boats

• Perfect for spinnaker and mainsheet applications

• Offers control, grip, and minimal line wear

Ronstan RF46101 40mm Ratchet Block Auto Link Head specifications:

• Sheave Ø 40 mm
• Max. Rope Ø 9 mm
• M.W.L. 175 kg
• B. L. 500 kg
• Weight 35 g