Inside Width:  0.40"
Overall Height:  0.68"
Weight:  0.05 lbs
Mounting Screw:  10-32 x 1/2" flat head socket screw with retaining washer. 1/8" allen wrench required.

• Size B is for line cutters with an overall length of 5".
  
• Size B line cutters fit propeller shaft diameters of 3/4", 1", 1-1/8", 1-1/4", 1-3/8", 1-1/2", 25mm, 30mm, 35mm, 40mm.