Compatible with all Novo Nordisk and competitor delivery devices as stated on the product label. NovoFine Plus has an ergonomic grip that incorporates built-in extended flanges and a flat needle base for improved skin contact when injecting. NovoFinePlus 32G 4 mm is our shortest and thinnest needle availableit's as thin as 2 human hairs and is designed for less pain.Features:32g Tip4mm LengthShould you require consultation with a pharmacist, you maycontact our Well.ca Pharmacist. Please read the label, warnings and inserts provided by the manufacturer and consult your healthcare professional when purchasing medications or natural health products to be sure the product is right for you. • 4mm in length • 32G tip • Designed with SuperFlow™ technology • Compatible with all insulin and GLP-1, excluding one-time use devices that are supplied with a needle.