You are buying 2 Pieces 751-10mm  New Standard JGS1 Quartz Cuvettes with lids.

It’s totally new, Never used and stored in a box.

Model: 751-10

Material: JGS1 quartz

Applied：Spectrophotphotometers

Optical path: 10mm.

Translucent: Both sides light through.

Specifications: Length 12.5mm x Width 12.5mm x Height 45mm