4.5mm Base Diameter 4mL Juice Capacity Superior 303 Stainless Steel Construction High Borosilicate Glass Reinforcement Unique Revolver Coil System 0.32ohm Triple Coil Design - 0.9ohm Per Independent Slot - rated for 50-140W 0.22ohm Quad Coil Design - 0.9ohm Per Independent Slot - rated for 50-140W Dual Slotted Bottom Airslot - Fully Adjustable Convenient Threaded Top-Fill Method Knurled Top and Bottom Base Resin Widebore Drip Tip - Only Available on Red, Green, and Blue Colorway Glass Widebore Drip Tip 510 Connection Includes: 1 REVOLVR Sub-Ohm Tank 1 Replacement Glass Tube 1 Extra Glass Drip Tip 1 Screwdriver Spare Parts & O-Rings Instructional Manual