Allen Brothers 30mm High Load Dynamic Block Back To Back
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 30mm High Load Dynamic Block Back To Back
Allen Brothers 30mm High Load Dynamic Block Back To Back
30mm Back-to-Back High Load Block
The 30mm Back-to-Back High Load Block features two opposing sheaves, allowing control lines to run at angles of up to 180° from each other. Built with a robust stainless-steel side strap and durable nylon mouldings, the assembly remains secure even when subjected to substantial opposing loads.
Commonly used in dual pole and spinnaker launcher systems, it is a popular choice for skiffs and high-performance dinghies where reliable, low-friction performance is essential.
Features:
- Twin opposing 30mm high load sheaves
- High Load Stainless-Steel Sheaves for higher working loads, lower friction, and increased durability
- Suitable for use with both rope and wire
- Control lines can run up to 180° apart
- Strong stainless-steel side strap for maximum strength
- Durable nylon moulded construction
- Patented Dynamic Bearing System with twin rows of stainless-steel ball bearings running on a stainless-steel rail
- Smooth operation with superior load-carrying capability and long service life
- Ideal for dual pole and spinnaker launcher systems
- Proven performance in demanding high-load marine applications
Technical Description
| Accessories | Linked |
| Bearing Type | High Load |
| Configuration | Single |
| Maximum Line Diameter | 8 mm |
| Breaking Load | 750 kg |
| Maximum Working Load | 600 kg |
| Sheave Material | Stainless Steel |
| Sheave Diameter | 30 mm |
| Length | 78 mm |
| Weight | 77 g |
Allen Brothers 30mm High Load Dynamic Block Back To Back
30mm Back-to-Back High Load Block
The 30mm Back-to-Back High Load Block features two opposing sheaves, allowing control lines to run at angles of up to 180° from each other. Built with a robust stainless-steel side strap and durable nylon mouldings, the assembly remains secure even when subjected to substantial opposing loads.
Commonly used in dual pole and spinnaker launcher systems, it is a popular choice for skiffs and high-performance dinghies where reliable, low-friction performance is essential.
Features:
- Twin opposing 30mm high load sheaves
- High Load Stainless-Steel Sheaves for higher working loads, lower friction, and increased durability
- Suitable for use with both rope and wire
- Control lines can run up to 180° apart
- Strong stainless-steel side strap for maximum strength
- Durable nylon moulded construction
- Patented Dynamic Bearing System with twin rows of stainless-steel ball bearings running on a stainless-steel rail
- Smooth operation with superior load-carrying capability and long service life
- Ideal for dual pole and spinnaker launcher systems
- Proven performance in demanding high-load marine applications
Technical Description
| Accessories | Linked |
| Bearing Type | High Load |
| Configuration | Single |
| Maximum Line Diameter | 8 mm |
| Breaking Load | 750 kg |
| Maximum Working Load | 600 kg |
| Sheave Material | Stainless Steel |
| Sheave Diameter | 30 mm |
| Length | 78 mm |
| Weight | 77 g |
