BD Micro-Fine Plus 4mm pen needles are precision-engineered insulin pen needles featuring Pentapoint technology for comfortable injections. Each box contains 100 sterile, single-use needles designed for use with insulin delivery pens. Key features: • 4mm needle length for optimal insulin delivery • Pentapoint 5-bevel needle tip technology • Compatible with all standard insulin pens • 32G (0.23mm) ultra-thin needle diameter • Box of 100 sterile needles • Single-use design The BD Micro-Fine Plus pen needles utilize advanced Pentapoint technology with a 5-bevel needle tip designed to enter the skin more easily and comfortably. The 4mm length is suitable for subcutaneous insulin injection in most patients. Each needle is sterile and intended for single use only. The ultra-thin 32G needle helps minimize injection discomfort.