This is a Slim Tank 510 Threading
Different Color to choose from.
Glass tank can be filled with thick oil for smoother and robust hits.
All comes individually packed with clear tub.
510 Threading, compact size, easy carry.
1.0mL: 2.5×0.4×0.4 Inch
0.5mL: 2.0×0.4×0.4 Inch
0.5mL – 1.0 mL