Lewmar 29901341BK 30mm Control Block Single Fixed Strap Black

The Lewmar 29901341BK is a 30mm Control Block featuring a single pulley with a fixed strap (lashing eye) mount, purpose-built for hand-held line control applications aboard dinghies, keelboats, and cruising sailboats. With a 440 lb (200 kg) working load limit and compatibility with up to 8mm line, this block delivers reliable performance across a wide range of rigging configurations.

Lewmar's Control Block series is engineered using MRT (Metal Replacement Technology) combined with a stainless steel central race and ball bearings, which reduces weight without sacrificing load-bearing capacity. The long-fiber composite cheeks add exceptional impact resistance and structural strength while keeping overall weight to a minimum.

Key Features:

• 30mm sheave diameter — compatible with up to 8mm line
• 440 lb (200 kg) working load limit
• Single pulley with fixed head configuration
• Fixed lashing eye (strap) mount for permanent pad eye or thimble attachment
• Stainless steel ball bearings for reduced friction and smooth operation
• Long-fiber composite cheeks for high strength and impact resistance
• Open design easily flushes sand and salt for low-maintenance operation
• Non-ratcheting, operates in any direction
• No integral cleat; no becket
• Black composite finish

Typical Applications:

• Control line systems
• Mainsail sheets on dinghies and keelboats
• Spinnaker sheets and barber haulers
• Genoa sheets
• Dinghy rigging

The fixed strap mount makes this block ideal for permanent installation using a pad eye or thimble and eye splice. Safe working load and line size compatibility are indicated directly on the sheave for quick reference and to prevent overloading. Lewmar Part Number: 29901341BK.