21 g x 1 1/2 in. BD SafetyGlide™ shielding sterile IM hypodermic needle. Regular wall type and regular bevel, black hub. BD SafetyGlide™ shielding hypodermic needle can help reduce needlestick injuries and associated costs with it's patented BD Activation-Assist™ technology for fast and easy needletip shielding. 50/box