Allen Brothers 40mm Dynamic Block with Swivel Head High Load
Pickup available at 1830 East Interstate 30
Usually ready in 24 hours
Shipping and Delivery
Free shipping for orders of $98 or more (US Continental)
- Free shipping for orders of $750 or more (International)
- Add 3 business days to the standard shipping time for USPS deliveries.
- UPS and FedEx Ground usually take 2 to 5 business days for in-stock orders.
- UPS and FedEx deliver on Saturdays only for Friday overnight shipments, which may incur an extra
charge. - Orders that apply for free shipping will be delivered between 8 and 10 business days.
- International customers will be responsible for any applicable import duties,fees, or taxes.
- Oversized items like whisker poles, spinnaker poles, and tracks over 7 feet require freight shipping, with an estimated cost of $500 depending on the destination.These orders must be delivered to a
commercial address, such as a marina, yacht club, or boatyard where your sailboat is located.
A recipient must be present to sign for the delivery upon arrival,For more info, Click Here.
Allen Brothers 40mm Dynamic Block with Swivel Head High Load
40mm Single High Load Swivel Block
The 40mm Single High Load Swivel Block is a high-performance pulley designed for keelboats and dinghies. Manufactured from glass-loaded nylon and featuring Allen's advanced Dynamic Bearing Technology, it delivers smooth, efficient line handling for mainsheets, jib sheets, spinnaker sheets, and control line systems.
Fitted with a stainless-steel high-load sheave, this version offers faster rolling speeds, lower friction, and compatibility with both rope and wire.
Features
- Single-sheave design for smooth and efficient line handling
- Manufactured from durable, lightweight glass-loaded nylon
- High Load Stainless-Steel Sheave for lower friction, faster rolling speeds, and improved durability
- Suitable for use with both rope and wire
- Ideal for mainsheet, jib sheet, spinnaker sheet, and keelboat control line applications
- Patented Dynamic Bearing System with twin rows of stainless-steel ball bearings running on a stainless-steel rail
- Caged ball bearings for reduced friction and enhanced rolling performance
- Superior load-carrying capability and long service life
- 360° Swivel Head fitted with a 4mm shackle for flexible attachment and optimal load alignment
- Large Central Becket Hole for use as a tie-off point in purchase systems
- Designed for smooth, reliable performance in demanding marine environments
Technical Description
| Accessories | Swivel |
| Bearing Type | High Load |
| Configuration | Single |
| Length | 83.38 mm |
| Maximum Line Diameter | 10 mm |
| Breaking Load | 780 kg |
| Maximum Working Load | 360 kg |
| Pin Size | 4 mm |
Allen Brothers 40mm Dynamic Block with Swivel Head High Load
40mm Single High Load Swivel Block
The 40mm Single High Load Swivel Block is a high-performance pulley designed for keelboats and dinghies. Manufactured from glass-loaded nylon and featuring Allen's advanced Dynamic Bearing Technology, it delivers smooth, efficient line handling for mainsheets, jib sheets, spinnaker sheets, and control line systems.
Fitted with a stainless-steel high-load sheave, this version offers faster rolling speeds, lower friction, and compatibility with both rope and wire.
Features
- Single-sheave design for smooth and efficient line handling
- Manufactured from durable, lightweight glass-loaded nylon
- High Load Stainless-Steel Sheave for lower friction, faster rolling speeds, and improved durability
- Suitable for use with both rope and wire
- Ideal for mainsheet, jib sheet, spinnaker sheet, and keelboat control line applications
- Patented Dynamic Bearing System with twin rows of stainless-steel ball bearings running on a stainless-steel rail
- Caged ball bearings for reduced friction and enhanced rolling performance
- Superior load-carrying capability and long service life
- 360° Swivel Head fitted with a 4mm shackle for flexible attachment and optimal load alignment
- Large Central Becket Hole for use as a tie-off point in purchase systems
- Designed for smooth, reliable performance in demanding marine environments
Technical Description
| Accessories | Swivel |
| Bearing Type | High Load |
| Configuration | Single |
| Length | 83.38 mm |
| Maximum Line Diameter | 10 mm |
| Breaking Load | 780 kg |
| Maximum Working Load | 360 kg |
| Pin Size | 4 mm |
