Allen 20mm Single Block Swivel Head Buoyancy Aids 1997 onwards: 3JH

1997 onwards: 3JH

NOTE: This model comes without a throwing line

Residential-size seat

and a thread size of 1/8" BSP male

specifically the 0981195 seal

Allen 20mm Single Block Swivel Head Buoyancy Aids 1997 onwards: 3JH20mm Single block with swivel head. The Allen 20mm dynamic ball bearing block is simply the best designed and engineered micro block on the market. Line friendly soft contours and articulation, Stainless steel cheeks and inner bearing systems handle maximum loads, Central hole for tie on becket. Spec Sheet Part Description Length mm Line Dia. mm Shackle Pin mm Break Load Kg. MDL Weight gm RRP Inc VAT Unit AL 2020 SC AL 2020 with swivel head 49 2. 5 6