Lewmar 72mm HTX Single Toggle Head Block – Black | 29197221
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Lewmar 72mm HTX Single Toggle Head Block – Black
The Lewmar HTX 72mm Single Toggle Head Block is a high-load sailing block built for halyard and mast-base applications where the attachment point needs to articulate with the working load. The toggle head is designed to align naturally with the direction of pull, reducing unwanted side loading on both the block and the attachment stud — a critical advantage on frequently adjusted, heavily loaded systems.
The HTX range is built from high-quality materials with a straightforward, reliable construction: strong aluminum side cheeks, a central plain bearing optimized for high loads, and Delrin side-thrust ball bearings for smooth operation across the full load range. It’s well suited to modern line technology and reduced line diameters common on performance cruising and racing rigs.
Specifications
- Part Number: 29197221
- Sheave Diameter: 72 mm (2-13/16")
- Configuration: Single sheave, toggle head
- Maximum Line Diameter: 9/16" (14 mm)
- Working Load Limit: 4,405 lbs (2,000 kg)
- Breaking Load: 8,800 lbs (4,000 kg)
- Weight: 410 g
- Finish: Black HTX
- UPC: 743683204319
Features
- Toggle head attachment — articulates with the working load to reduce side loading
- Strong aluminum side cheeks for high-load durability
- Central plain bearing optimized for efficiency under high loads
- Delrin side-thrust ball bearings for smooth, consistent operation
- Grub screw swivel head locking mechanism
- Black HTX finish — built for performance cruising and racing applications
Compatible Applications
- Halyard systems on performance cruising and racing sailboats
- Mast-base block applications requiring toggle articulation
- High-load control-line systems using modern, reduced-diameter line
- Frequently adjusted, heavily loaded running-rigging applications
Fitment Note
Confirm the 72 mm sheave size, 14 mm maximum rope diameter, attachment-stud dimensions, block-jaw clearance, toggle-pin dimensions, and required working load before installation. Toggle-head blocks must match the existing mast or deck attachment correctly — line diameter alone is not enough to confirm fitment.
Related Products
- Lewmar 72mm HTX Single Block – Black
- Lewmar 72mm HTX Double Block – Black
- Lewmar 72mm HTX Fiddle Block – Black
- Lewmar 72mm HTX Footblock – Black
- Lewmar 60mm HTX Single Block – Black
- Lewmar 72mm HTX Web Single Block – Black
Parts Desk Insights
Best use case: This block is the right choice for mast-base halyard applications where the lead angle changes as the sail is hoisted or lowered. The toggle head lets the block pivot with the load rather than fighting it — which reduces wear on both the block and the attachment point over time. It’s particularly well suited to performance cruisers and racers running modern, smaller-diameter high-strength lines.
The critical fitment check on a toggle-head block is the mast-base attachment geometry, not just the rope size. Confirm the stud diameter, jaw width, and toggle-pin dimensions alongside the 14 mm rope capacity and 2,000 kg working load before ordering. If you don’t need the toggle articulation, the standard 72mm HTX Single is a simpler alternative at the same sheave size.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.