Needle length: 1.9cm. Guage: 21. Connected by 30.5cm long tubing. Needles feature Safety-Lok protective shield which reduces needlestick risk. Shield is designed to meet OSHA safety standards for engineering controls.
Test Tube, PYREX* 3mL, 10x75mm, are made from special tubing to give the optimum wall thickness. They are well annealed, resistant to heat and chemically stable. These tubes have a white marking spot. Beaded rims are fire-polished.