They have 100% polyester backing that lets you use them wet or dry. Minimum order is 50 Discs of one grit and size. 120X – Smooth, Seaming and Polishing (Desk Top Edge). Fast Grinding 100% Polyester Backed Discs.
TOPBRAS ABRASIVOS VINHEDO Abrasivos de Alta Performance Experiência, Competência e Qualidade