7 Series Universal Head Block, Fiddle, Aluminum Cheeks, 14.3oz.


In stock online.
Model # 561357 | Mfg # 704-45 | UPC # 740507010798

Schaefer Aluminum Fiddle Block allows increases in the purchase of the vang to 8:1.

Universal head allows one block to function as a front shackle, side shackle or swivel shackle block. Large sheave diameter 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" fasteners.

Key Features

  • Low-friction and high safe working load
  • 704 series are aluminum; 705 blocks are stainless
  • Beckets are removable; where applicable
  • Swivel head may be locked in place to eliminate line twist
  • Non-corroding Delrin® ball bearings
  • Sheave Diameter: 2 3/8" (60 mm) 
  • Max. Line Diameter: 1/2" (13 mm)  
  • Safe Working Load (MWL): 2250 lb. (1020 kg)  
  • Weight: 14.3 oz. (405 g) 
  • Length: 7 15/32" (190 mm)


7 Series Universal Head Block, Fiddle, Aluminum Cheeks, 14.3oz.

Name Value
Ball Bearings Plain Bearings
Becket No Becket
Diameter 1/2 Inch or 13 mm
Direction Any
Integral Cleat No Integral Cleat
Length 7 15/32 Inches
Mount Type Swivel Shackle
Ratchet Non Ratcheting
Safe Working Load 2250 Pounds
Sheave Diameter 60 mm
Type Single Fiddle
Weight 14.3 Ounces


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