Allison Medical SureComfort 29G (0.33mm) 1/2in (12.7mm) 100 U100 Insulin Pen Needles

BD Ultra-Fine 32G (0.23mm) 5/32in (4mm) 90 Becton Dickinson U100 Insulin Nano Pen Needles

BD Ultra-Fine 29G (0.33mm) 1/2in (12.7mm) 90 Becton Dickinson U100 Insulin Original Pen Needles

Trividia TRUEplus 32G (0.23mm) 5/32in (4mm) 100 U100 Insulin Pen Needles

Allison Medical SureComfort 31G (0.25mm) 3/16in (5mm) 100 U100 Insulin Pen Needles

BD Ultra-Fine 32G (0.23mm) 5/32in (4mm) 100 Becton Dickinson U100 Insulin Nano Pen Needles