SpecificationsCoil jig 1. Coil jig for building wick2. For RDA/RBA3. pure stainless steel material4. with 5 sticks，1.5mm/2.0mm/2.5mm/3.0mm/3.5mm 5. each one packed with sealed blister packageThis stainless steel RBA/RDA Coil machine will not only can help wrap your coil faster and more efficient ，but also serve as a building platform with its built in 510 connection. "