1.8 mL Clear Screw w/ Graduated Marking Spot Std Mth (100/pk)

12x32 mm, made from type 1 borosilicate glass. The marking spot has graduations to show approximate volume. 8-425 threads.Packaged: 5 in. x 4-1/4 in. x 1-3/8 in. Plastic box; Weight: 256.1 g.