They are identified by a series of numbers.
First number corresponds to a marking shape and size
Second number corresponds to hardness: 5 = 5 shores A, 0 = 0 shores A , 10 = 10 shores A
Third number corresponds to silicone quality : 1 = standard quality, 2 = long life (longer durability), 3 = anti static
Fourth number corresponds fixing insert type . Generally, 5 = M5.
A large choice of pads adaptable to all machines on the market with their wooden base and M5 insert.