Manufactured by SINTER, #222 Carbon Compound. Fits any CRG manufactured karts (CRG, Maranello, Zanardi, DR, GP, Aluminos, etc.) as well as 2016+ Topkart Twister and Energy Karts with V05/V09 and Righetti MA20 brakes. (1-pair of pads, enough for 1-caliper)