The lower the number of ppi, the coarser or more aggressive the foam pad will be. The higher the ppi, the finer the foam pad will be. #SM-44-768. Made in USA. Buffing Yellow Foam Pad, 50 ppi. 8″ dia x 2″ thick with cool vents.
TOPBRAS ABRASIVOS VINHEDO Abrasivos de Alta Performance Experiência, Competência e Qualidade