Description
Schaefer 60mm Single Block | Boat Supply Store
Address critical running rigging management with the Schaefer Single Stainless Steel Block, engineered for demanding sailing applications. This robust block incorporates a low-friction 60mm Delrin™ sheave, capable of handling lines up to 1/2" (13mm), and boasts a high Safe Working Load (SWL) of 2250 lbs (1020kg). Its lockable swivel head design is particularly beneficial for preventing line twist on racing yachts or cruising vessels operating in challenging coastal waters like Galveston Bay.
Key Features
- Low-Friction Operation: 60mm (2 3/8") Delrin™ sheave ensures minimal wear and smooth line passage.
- High Load Capacity: Exceeding expectations with a Safe Working Load (SWL) of 2250 lbs (1020kg) for critical tasks.
- Line Twist Prevention: Lockable swivel head provides positive control and eliminates unwelcome line rotation.
- Exceptional Durability: Constructed from high-strength stainless steel for long-term marine environment resistance.
- Versatile Line Compatibility: Designed to efficiently manage running rigging up to 1/2" (13mm) diameter.
- Compact Design: Dimensions of 1 3/32" (28mm) thickness and 2 1/2" (64mm) width allow for efficient deck or mast placement.
- Optimized Weight: Weighing only 10.2oz (289g), it adds minimal load while delivering maximum performance.
- Precision Engineering: Schaefer Marine's commitment to quality ensures reliable performance under stress.
Specifications
| Product Specifications | |
|---|---|
| Sheave Diameter | 60mm (2 3/8") |
| Sheave Material | Delrin™ |
| Safe Working Load (SWL) | 2250 lbs (1020kg) |
| Maximum Line Size | 1/2" (13mm) |
| Block Thickness | 1 3/32" (28mm) |
| Block Width | 2 1/2" (64mm) |
| Block Length | 5 1/32" (128mm) |
| Weight | 10.2oz (289g) |
| Head Type | Lockable Swivel |
Who This Is For
Sailors and boaters requiring a robust, low-friction single block for managing running rigging. Ideal for those seeking a reliable component with a lockable swivel head to effectively prevent line twist on their sailboat.
How It Compares
| Feature | Schaefer 60mm Single Block | Competitor |
|---|---|---|
| Sheave Diameter | 60mm (2 3/8") | — |
| Sheave Material | Delrin™ | Nylon |
| Safe Working Load (SWL) | 2250 lbs (1020kg) | — |
| Lockable Swivel Head | Yes | Yes |
| Max. Line Size | 1/2" (13mm) | 1/2" |
Common Concerns Answered
Are replacement parts readily available for Schaefer blocks?
While most Schaefer blocks are designed for longevity, specific replacement parts for older models can occasionally be challenging to source. However, the durability of this model ensures minimal need for component replacement.
Is the 60mm sheave diameter sufficient for all load conditions?
The 60mm sheave is optimized for a wide range of applications. For extremely heavy loads or significantly larger diameter lines, a block with a larger sheave diameter might be more suitable, though this specific model is engineered for peak performance within its stated capacity.
Is the price a significant factor for this block?
The investment in this Schaefer block is justified by its superior long-term durability, smooth low-friction operation, and robust construction. For serious sailors, the performance benefits and extended lifespan provide excellent value compared to lower-cost alternatives.
Frequently Asked Questions
What is the maximum line size this block can accommodate?
This Schaefer Single Stainless Steel Block is designed to accommodate lines up to 1/2" (13mm) in diameter.
What is the safe working load (SWL) for the Schaefer Single Stainless Steel Block - 60mm Sheave?
The Safe Working Load (SWL) for this block is 2250 lbs (1020kg).
What material is the sheave made of, and what are its benefits?
The sheave is constructed from Delrin™, a high-performance thermoplastic known for its excellent low-friction characteristics and wear resistance, minimizing chafe and extending the life of your running rigging.
Can the swivel head be locked in place?
Yes, this block features a lockable swivel head mechanism that allows you to secure the head in a desired position, preventing unwanted rotation and line twist.
What are the dimensions of this block?
The dimensions are: Thickness 1 3/32" (28mm), Width 2 1/2" (64mm), and Length 5 1/32" (128mm).
