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

clever design

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

Soft annealed red copper / steel tubing 8mm ID / 10mm OD

this fendering gives complete protection

Manufacturer Part Number: R2217

Allen 20mm High Load Back to Back Block Select (See Table Below):AL-2028-HL 20MM HL DYNAMIC: BACK TO BACK - EACH clever design20mm 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