Our esteemed associate and natural hoof trimmer Nick Hill introduced us to this little tool.  It is excellent to use whilst trimming the hooves of your horse.  We use this for trimming the heels and rolling around the hoof wall.  
 
1 x Stanley Surform Shaver Tool Blade 60mm (2.1/2in) Replacement blade for Surform Shaver Tool (STA521115)
Made out of carbon steel
Soft grip handle