This set of 12 replacement blades are designed specifically 
for use with Frank Karl series 2600 pyramids, but they may 
also fit other brands.

Models 2630, 2660, 2670 - 3 & 4 Tiers

Set of 12 Blades - Made in Germany by 
Franz Karl GmbH - Venusberg

Each blade (6201) measures... 
  2-7/16 x 4-3/4 inches (width x length)
  (5-3/4 inches to tip of nib)
  6,0 cm x 12,0 cm (14,5 cm)

Completed assembly has a diameter of 13-3/4 
inches - 35,0 cm.

Set of Blades and Replacement Hub both sold separately!  
(Sorry, the blades are not sold individually)