Allen Brothers 40mm Dynamic Triple Block/Becket with Swivel and A..77 Cleat
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 Triple Block/Becket with Swivel and A.....
Allen Brothers 40mm Dynamic Triple Block/Becket with Swivel and A..77 Cleat
40mm Triple Dynamic Swivel Block With Becket & Cam Cleat
The 40mm Triple Dynamic Swivel Block With Becket & Cam Cleat is a high-performance, triple-sheave pulley designed for keelboats and dinghies. Manufactured from durable, lightweight 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.
Combining a triple-sheave purchase system, 360° swivel head, integrated becket, and adjustable cam cleat, this block is ideal for backstay, cunningham, outhaul, vang, and other high-load control systems requiring secure adjustment and increased mechanical advantage.
Features:
- Triple-sheave design for high-purchase systems and increased mechanical advantage
- Manufactured from durable, lightweight glass-loaded nylon
- Ideal for mainsheet, vang, cunningham, backstay, and keelboat control line applications
- Patented Dynamic Bearing System featuring 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 5mm shackle for flexible attachment and optimal load alignment
- Shackle is load-rated higher than the block for added reliability
- Swivel Lock System allows the shackle to be locked in 90° orientations when required
- Swivel lock can be removed easily by undoing the shackle and removing it from the swivel pin
- Integrated Becket for creating purchase systems and convenient tie-off points
- Ideal for backstay, cunningham, outhaul, and vang control systems
- A.77 Aluminium Cam Cleat mounted on an adjustable stainless-steel arm for secure line holding and easy adjustment
- Cleat angle can be adjusted to suit different sheeting positions and line lead angles by loosening the centre fixing, repositioning the arm, and retightening
- Low-friction, fast-rolling performance for smooth operation under load
- Designed for reliable performance in demanding marine environments
- Perfect for high-load control systems requiring efficient purchase, secure adjustment, and precise line control
Technical Description
| Accessories | Cleat, Becket, Swivel |
| Bearing Type | Dynamic |
| Configuration | Triple |
| Length | 110.05 mm |
| Height | 109 mm |
| Width | 60 mm |
| Maximum Line Diameter | 6 mm |
| Breaking Load | 1400 kg |
| Maximum Working Load | 750 kg |
| Sheave Material | Acetal |
| Sheave Diameter | 40 mm |
| Pin Size | 5 mm |
| Weight | 240 g |
Allen Brothers 40mm Dynamic Triple Block/Becket with Swivel and A..77 Cleat
40mm Triple Dynamic Swivel Block With Becket & Cam Cleat
The 40mm Triple Dynamic Swivel Block With Becket & Cam Cleat is a high-performance, triple-sheave pulley designed for keelboats and dinghies. Manufactured from durable, lightweight 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.
Combining a triple-sheave purchase system, 360° swivel head, integrated becket, and adjustable cam cleat, this block is ideal for backstay, cunningham, outhaul, vang, and other high-load control systems requiring secure adjustment and increased mechanical advantage.
Features:
- Triple-sheave design for high-purchase systems and increased mechanical advantage
- Manufactured from durable, lightweight glass-loaded nylon
- Ideal for mainsheet, vang, cunningham, backstay, and keelboat control line applications
- Patented Dynamic Bearing System featuring 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 5mm shackle for flexible attachment and optimal load alignment
- Shackle is load-rated higher than the block for added reliability
- Swivel Lock System allows the shackle to be locked in 90° orientations when required
- Swivel lock can be removed easily by undoing the shackle and removing it from the swivel pin
- Integrated Becket for creating purchase systems and convenient tie-off points
- Ideal for backstay, cunningham, outhaul, and vang control systems
- A.77 Aluminium Cam Cleat mounted on an adjustable stainless-steel arm for secure line holding and easy adjustment
- Cleat angle can be adjusted to suit different sheeting positions and line lead angles by loosening the centre fixing, repositioning the arm, and retightening
- Low-friction, fast-rolling performance for smooth operation under load
- Designed for reliable performance in demanding marine environments
- Perfect for high-load control systems requiring efficient purchase, secure adjustment, and precise line control
Technical Description
| Accessories | Cleat, Becket, Swivel |
| Bearing Type | Dynamic |
| Configuration | Triple |
| Length | 110.05 mm |
| Height | 109 mm |
| Width | 60 mm |
| Maximum Line Diameter | 6 mm |
| Breaking Load | 1400 kg |
| Maximum Working Load | 750 kg |
| Sheave Material | Acetal |
| Sheave Diameter | 40 mm |
| Pin Size | 5 mm |
| Weight | 240 g |
