Technical details Product code Diameter Ø Piece/Amb 300-11501 400 20*1/2 300-11502 240 25*3/4 300-11503 140 32*1" 300-11504 80 40*1 1/4 300-11505 45 50*1 1/2 300-11506 33 63*2" 300-11507 20 75*2 1/2 300-11508 10 90*3" 300-11509 7 110*4"