Model: A2030SC*1Color: Silver
Allen 20mm Dynamic Blocks feature the patented Allen Dynamic bearing system which provides an unrivalled weight to performance ratio. This is coupled with their high strength and rope friendly stainless steel ultra-strap; making them amongst the strongest and most reliable ball bearing blocks on the market. You’ll find a 20mm block to suit most control line applications.
Allen 30mm Dynamic Blocks use the same high quality dynamic bearing, materials and precision engineering as the 20mm Dynamic Block range. The 30mm blocks suit most control line applications.
Block (mm) |
Length (mm) |
Max. Line Diameter (mm) |
Shackle Pin (mm) |
Breaking Load (kg) |
Max. Working Load (kg) |
Weight (g) |
20 |
49 |
6 |
4 |
350 |
115 |
15.4 |
30 |
68 |
8 |
4 |
450 |
140 |
36 |
Standard Shipping
$6.95 or
FREE when you spend $99.
- Delivered in approx 3-5 business days.
- Orders dispatched direct from our warehouses in California and Michigan, backed up by our UK warehouse.
- Delivery in partnership with USPS and FedEx.
Orders placed on Saturday, Sunday and Bank Holidays are usually dispatched the next business day.
Adverse weather conditions may cause unforeseen delays.
Tracking may not be available on selected orders.
International Delivery
Find your destination country on a list of countries we ship to for details on pricing and approximate delivery times.
Returns & Warranty
Extended Christmas Returns
Orders placed from the 25th October to 15th November 2023 are eligible for our extended 90 day return policy.
We offer a 60 day, easy return policy for unwanted items. We ask that all items are returned to us in a clean, unused and resalable condition, in the original outer and product packaging.
On the rare occasion you have experienced an issue with the items received, or you have not received your order within 3 weeks of receiving your dispatch confirmation please do contact our dedicated customer service team and we will be happy to assist you.
Every product sold on watersportsoutlet.com comes with a 12-month manufacturer warranty unless otherwise stated.
For more details or to generate a return, visit our returns page.