RETSCH Mixer Mill Grinding Balls, Diameter Outside: 0.78 in., 2cm, For Use With: MM 200, 301 mixer mill, S 100 centrifugal ball mill and PM 400 planetary ball mill, Ideal for increasing the degree of mixing, grinding, Composition: 84.5% Fe,
RETSCH Mixer Mill Grinding Jar, For Use With: MM 200 mixer mill, Ideal for intensive mixing of the sample, Capacity: 0.84 oz., 25mL, Composition: 84.5% Fe, 13% Cr, Holds: 20mm One piece or 12mm two pieces balls, Includes: Cover, Stainless S