Allen 20mm High Load Back to Back Block Select (See Table Below):AL-2028-HL 20MM HL DYNAMIC: BACK TO BACK - EACH Sheave (mm): 63 Sheave Width

Sheave (mm): 63 Sheave Width (mm): 18 Rope (mm): 16 Wire (mm): 5 Weight (g): 227

Manufacturer Part Number: R2217

Suitable for outboards up to 15HP - see below

Maximum: 2000A for 3 seconds Approvals Certified UNI EN 28846 Length 115mm (4-17/32") Diameter Description Cylinder: 25mm

Allen 20mm High Load Back to Back Block Select (See Table Below):AL-2028-HL 20MM HL DYNAMIC: BACK TO BACK - EACH Sheave (mm): 63 Sheave Width20mm High load back to back block. The Allen 20mm dynamic ball bearing block is simply the best designed and engineered micro block on the market. Featuring Allen's high load stainless steel sheave & dynamic bearing system to withstand extreme loads. Allen High Load Blocks fit between the standard dynamic range and the XHL range featuring a stainless steel sheave which runs on a double race of stainless steel ball bearings. By utilising a stainless