The Tersma Single Loop Top Block provides smooth line movement in a compact marine pulley. Its 16mm nylon sheave runs on a ball-bearing system, while stainless steel sideplates and a fixed loop top provide a durable setup for small control lines.

• Single-sheave, loop-top configuration
• 16mm nylon sheave
• Suitable for rope up to 5mm diameter
• Stainless steel ball-bearing system
• 316-grade stainless steel sideplates
• Supplier model: SB-1601F
• Safe working load: 120kg

Suited to dinghy control lines and compact marine rigging applications. Not suitable for human suspension.