Spacer Wheel 
 
Use:
Space holes for stitching (Hand Stitching or Machine Stitching)
 
Incl:
3 x Replacement Rollers & tool
 
Material:
The gears are smooth , sharp and the pitch is fine enough for the diamond to be used!
The handle is ergonomically designed for easy control
 
Caution:  
Sharp cutting edges, keep away from children