SCHAEFER Stainless Fiddle Block with Cam & Becket, 705-75 Block Size_25 mm Carbo AirBlocks® are 60% stronger

Carbo AirBlocks® are 60% stronger and 30% lighter than Harken's classic series

Lightweight material

Sheaves are made of high-impact Delrin™ or Delrin™ with Delrin™ Ball Bearings

The workhorse of the Harken line

Line ends can be inserted through the "open" base and then knotted for an easily grabbed dead end

SCHAEFER Stainless Fiddle Block with Cam & Becket, 705-75 Block Size_25 mm Carbo AirBlocks® are 60% strongerSchaefer Aluminum Fiddle Block with Cam and Becket allows for 3: 1 or 4: 1 tackles on boom vangs and mainsheets. Universal head allows one block to function as a front shackle, side shackle, or swivel shackle block. Large sheave diameters and high working loads make them suitable for sheet and control blocks on medium to large offshore boats. Beckets are removable. 704 series are aluminum; 705 blocks are stainless. Where applicable, blocks use 1 4"