Lewmar 72mm HTX Single Block, 4405lb WLL for High-Load Sailing

Master demanding marine applications with the Lewmar 72mm HTX Single Block. Engineered for high-load control lines on performance sailboats and cruising yachts, this block delivers smooth, efficient load handling where strength, reliability, and low friction are paramount. Drawing upon years of design and manufacturing experience, including insights from Lewmar's acclaimed Racing Range, it's ideal for sheets, halyards, travelers, and other critical control systems. Upgrade your rigging for superior control and durability on vessels up to 18 meters (60 feet).

• Lewmar 72mm HTX Single Block (29197201)
• Stainless Steel Shackle

• Robust 72mm Sheave: Provides excellent mechanical advantage and reduced friction, making trimming under load easier and more efficient.
• High-Strength Aluminum Side Cheeks: Ensure a maximum strength-to-weight ratio and long-term durability in harsh marine environments.
• Dual Bearing System: Features a central plain bearing for efficiency at high static loads, complemented by side thrust Delrin ball bearings for smooth rotation and minimal friction, even when lines lead at an angle.
• Grub Screw Swivel Head Locking Mechanism: Allows the block to be fixed in a single position or swivel freely for versatile rigging options.
• High Working Load Limit: Boasts a 4405lb (2000 kg) Working Load Limit (WLL), offering robust safety margins for demanding applications.
• Generous Line Capacity: Accommodates a maximum line size of 0.55 inches (14mm), compatible with modern, reduced diameter lines.
• UV-Resistant Acetal Sheave: Ensures long-term durability and maintains clear marking of the safe working load and maximum line diameter.
• Easy Maintenance: The open design allows for simple freshwater flushing to remove salt and grit, extending the block's lifespan.
• Lightweight Design: At approximately 15.6 ounces (445g), it contributes to overall weight efficiency on deck without compromising strength.

This versatile block is ideal for halyards, mainsheets, spinnaker sheets, boom vangs, and other critical control line systems on racing and cruising sailboats.