Metal grinding clip，24/40，1pcs

Optional dimpled mat for use with a variety of tubes

Block for Visible NK200-1B, 12x20mm, 40 depth, flat bottom

VT1.3.2 Tube adapter, for 15 holes test tubes, Ø10mm (1.5-2mL), used with VT1.3/ VT1.2/PS1.1