Allen 20mm Double Cheek Block Select (See Table Below):AL-2126-M 20MM DYNAMIC: DOUBLE CHEEK - EACH Accepts 5/16" or 3/8" ring

Accepts 5/16" or 3/8" ring terminals

and particularly suited to fast powerboats or any streamlined yacht

Manufacturer Part Number: MI2160

360 panel gauge blank for mounting

Allen 20mm Double Cheek Block Select (See Table Below):AL-2126-M 20MM DYNAMIC: DOUBLE CHEEK - EACH Accepts 5/16" or 3/8" ring20mm Double cheek block. The Allen 20mm dynamic ball bearing block is simply the best designed and engineered micro block on the market. This block features the same dynamic bearing technology you will find in the rest of the 20mm dynamic block range; two rows of 316 stainless steel ball bearings located around a central axle. It also has two fixing holes and an inter locking middle cheek face to ensure that there is no movement once fixed to the deck