Dont know which one's to choose? Go for which ever bands closely resembles your hand file! 
 
Black sanding bands:
 
	
Medium Grade = 180 grit 
	
Perfect for refining old product during infill
	
And even better for refining freshly laid product instead of your hand file! 
	
Made of silicon carbide abrasive paper
	
The material is imported from Japan
	
Treated with a anti- clogging agent
	
Adhered around a barrel using an Eco-friendly Glue
	
Designed for single use only (1 per client) 
	
Mandrel sold separately