30G Sharp Needle TW (12.7mm) *M0287* 100 needlesM0287 BOX OF 100 (25056030400074) Sharp Dermal Injection Needle in 30G x 12. 7mm, with thin wall. Silkann is a complete range of sharp needles for the injection of dermal fillers for mesotherapy and wrinkle treatment. The Benefits of Using Single Use Needles Reusing single use devices can create serious infections such as risk of: Cross contamination and infection arising from a device which has not been designed to be cleaned. Endotoxin reactions