Manufactured from diamond drawn medical grade stainless steel and coated with a specialist medical grade insulation material Suitable for sensitive skin types Only used for Short wave Diathermy and Suitable for Flash Thermolysis Suitable for use on Afro Caribbean or Asian skins (This is because darker skins are more prone to hyper-pigmentation and insulated needles only release the current from the tip of the needle causing less damage to the skin) Available in sizes 2,3,4 and 5 Available in both short and regular lengths, size 2 in short only (Please call to inquire about regular sizes)