Description
Clamp-On Furling Stanchion Lead Block for 1" Stanchions | Boat Supply Store
Efficiently manage furling lines on vessels with limited deck space by utilizing this specialized clamp-on lead block. Engineered for seamless integration, it attaches directly to standard 1-inch stanchions without requiring additional hardware, providing a secure conduit for control lines. The 1-7/16" (37mm) Delrin™ ball bearing sheave minimizes friction during adjustment, and the robust stainless steel construction ensures a Safe Working Load of 1000 lbs (450kg). This block is ideal for Catalina 22s or J/Boats requiring precise furling line routing adjacent to lifelines.
Key Features
- Effortless clamp-on installation on 1" stanchions
- Smooth furling line adjustment via Delrin™ ball bearing sheave
- Durable construction with stainless steel cage and strap
- High-capacity line handling up to 1/2" (12mm)
- Reliable 1000 lbs (450kg) Safe Working Load
- Secure fitment on common stanchion diameters
- Minimizes chafe and friction on control lines
- Robust design for demanding marine environments
Specifications
| Product Specifications | |
|---|---|
| Stanchion Compatibility | 1" (25mm) |
| Sheave Diameter | 1-7/16" (37mm) |
| Sheave Material | Delrin™ |
| Bearing Type | Ball Bearing |
| Maximum Line Size | 1/2" (12mm) |
| Safe Working Load (SWL) | 1000 lbs (450kg) |
| Material | Stainless Steel Cage and Strap |
| Model | 300-34 |
Who This Is For
Sailors and boat owners seeking a direct, no-drill solution for furling line leads on 1-inch stanchions. This block is particularly beneficial for those prioritizing quick setup and reliable performance in managing headsail furling.
How It Compares
| Feature | Clamp-On Furling Stanchion Lead Block for 1" Stanchions | Competitor |
|---|---|---|
| Stanchion Diameter Compatibility | 1" (25mm) | N/A | N/A |
| Sheave Diameter | 1-7/16" (37mm) | 1-1/2" (38mm) | 1-3/8" |
| Max Line Size | 1/2" (12mm) | 7/16" (11mm) | 3/8" |
| Safe Working Load | 1000 lbs (450kg) | — |
| Sheave Bearing Type | Ball Bearing (Delrin™) | Plain Bearing | Plain Bearing |
| Mounting Type | Clamp-on Stanchion | Shackle/Swivel | Shackle/Swivel |
Common Concerns Answered
Is the working load sufficient for all sailing conditions?
While its 1000 lbs Safe Working Load is optimized for furling line management, experienced offshore sailors may opt for blocks with higher SWLs for general-purpose load-bearing. However, for its intended application of furling line control, this rating is entirely appropriate and ensures durability.
Can I easily find this block when I need it?
Due to its specialized clamp-on design for 1-inch stanchions, availability can occasionally be limited. We recommend purchasing when available to ensure you have this essential piece of rigging hardware readily accessible.
Is this block worth the investment compared to generic alternatives?
The specialized clamp-on mechanism, coupled with the high-performance Delrin™ ball bearing sheave and robust stainless steel construction, offers significant advantages in ease of installation and long-term durability over generic blocks. This specialized design justifies the investment for a streamlined and reliable rigging solution.
Frequently Asked Questions
What size stanchions does the Schaefer Clamp-On Furling Line Stanchion Lead Block fit?
This lead block is specifically designed to fit standard 1-inch (25mm) diameter stanchions.
What is the maximum line size this block can accommodate?
The block is engineered to accommodate furling lines up to a maximum diameter of 1/2" (12mm).
What is the safe working load for this furling line lead block?
The Schaefer Clamp-On Furling Line Stanchion Lead Block has a Safe Working Load (SWL) of 1000 lbs (450kg).
What material is the sheave made of?
The sheave is constructed from high-performance Delrin™ and features a ball bearing race for exceptionally smooth operation.
Is this block suitable for offshore use?
Yes, the durable stainless steel construction and the Delrin™ ball bearing sheave make this block well-suited for the rigors of offshore sailing when used for its intended purpose of furling line management.
