Technical details Product code Piece/Amb Diameter Ø 300-20501 150 1/2*1/2 300-20502 100 3/4*3/4 300-20503 60 1"*1" 300-20504 35 1 1/4*1 1/4 300-20505 20 1 1/2*1 1/2 300-20506 10 2"*2"