510 Cartridge With Stainless Steel Center Post (WR-C4)

Capacity:  0.5mL / 1.0mL 
Size: 10.5*54 mm / 10.5*63 mm
N.W. : 12g   
Oil Inlet Hole: 4*2.0mm
Center Post Material: 316 Stainless Steel
Oil Housing Material: Quartz Glass
Mouthpiece Material : Ceramic
Mouthpiece Color: Custom 
Ceramic Heating Coil
LOGO printed
OEM/ODM Custom Product