A rubber cap on the end of the microscope reduces ambient light so that when looking through the microscope you can better focus on the sample

Any portion of this length can be placed under the pencil

Support base: H1

Opacity Cards Material: Clearcoated Size: 5

Diameter: 105 mm

Kit de abrasión por frotamiento de dedo cuadrado de 10 mm (opción B) Mek Rub A rubber cap on theDESCRIPTION DATA SHEET ACCESSORIES AND The abrasion kit includes 10mm square finger attachment, 150mm aluminum knurled shaft, special weight holder and 4 weights of 15g each. The 10mm square finger attachment provides a 10mm x 10mm square contact area with a durable rubber pad and is typically used with steel wool for abrasion testing . Download Here Accessories