510 Thread System Cartridge Heavy Metal Test PassedColors: Silver, Gold, BlackProduct size: 1ML 10.5(D) * 54.5(L) mm 0.5ML 10.5(D) * 44.9(L) mmResistance: 1.4ohm/1.8ohmOil hole: 2.0mm * 4Air hole: 1.0mm * 2 Tips: Ceramic tip, Ceramic coil, Glass tube Atomizer Weight: 11.5g.

Note: This is sample pricing. Wholesale / Distribution Pricing is available once you submit the wholesale application form. 

https://bestgrinder.com/pages/wholesale