Accu-Fine insulin pen needles allow for gentle injections and can be used practically by everyone.Accu-Fine needles can be used with all standard insulin pens. Gentle injection: special grinding, special coating, and fine needle Double protection: with two protective covers Practical for everyone: regardless of gender, age, or BMI Compatible: with all standard insulin pens Minimizing the risk of painful intramuscular injections: with shorter needle lengths