TSK The Invisible needle 34g x 9mm – Minimal bruising – Very thin toxin needle – Near painless experience – Save up to 0,08ml BoNT per needle – Significant cost savings – Ideal for Botulinum toxin and ophthalmology – 14% thinner than a 33g – x100 needles THE INViSIBLE NEEDLE is the first needle of its kind and the thinnest needle available to date. Technology advancements have made it possible to make this needle 33% thinner than a 30G needle (used for insulin syringes) and 14% thinner than the TSK 33G needle. This extremely small diameter of THE INViSIBLE NEEDLE results in a near painless experience for patients and is ideal for BoNT injections.