25pcs CPR Face Shield Mask Keychain Red

CPR face shield is very compact 1.96″ by 1.96″, nylon keychain with ring, easy to carry around. Good Quality: Our CPR masks are made of high quality nylon pouch and polyethylene fiber. Mutifuntion Tool: It is both an CPR face shields and a key chain kit that can easy to use.

PYREX 12ml Glass Centrifuge Tubes No. 8122 Conical Bottom Screw Cap Lab 12 Pack

This listing is for a set of 12 PYREX® 12ml glass centrifuge tubes, model No. 8122. These high-quality tubes are made from durable borosilicate glass, designed for laboratory applications requiring centrifugation. They feature a conical bottom for efficient pellet collection and a threaded opening suitable for screw caps (caps not included). Each tube has a clear 12ml volume marking and a white writing area for easy labeling. Ideal for chemistry, biology, medical, and research labs. Made in the USA.

DIAMOND BUR, SINTERED, X-fine 600 grit Domed Cylinder 14x5mm

The sintered diamond head of these rotary burs are made up completely of a diamond matrix. Ideal for cutting hard material, lasts MUCH longer than a standard plated diamond bur. These Diamond Bits are designed for aggressive and faster grinding for higher productivity and time saving Extremely durable, long lasting and economical. – Glass, Jewelry, Lapidary & Lab Sintered Diamond Bur HP Shank – Diamond rotary instrument for precision work – Ideal deterioration and finishing of surface applications. Individually boxed.