Five Popular Handle Styles and Tips 1580–P–2–2MM Small Flat Handle (Style 2) 1580–A–5–2MM Large Flat Handle (Style 5) 1580–A–7–5MM Large Flat Handle (Style 7) 1580–F–7–5MM Flat Handle (Style 7) 1580–T–8–4MM Tube Handle (Style 8) Options Here are five popular handle and tip combinations that demonstrate how you can order a custom cannula. In addition to the options shown, Pemco can produce special cannulas to your specifications.