Features Polypropylene Hub New red dot on the needle hub marks the needle bevel position, even when the needle point is not visible The cannula is siliconized Dental Needle hubs and bozes are color-coded by gauge for easier identification of suitable needle and gauge Self-tapping ribs placed on the outside of the hub, and inside threads make for ease of use Product Specifications Brand: Superject™ Red Dot Application: Dental Needle Color Code: Yellow Gauge: 27 Gauge Hub Material: Plastic Hub Length: 32 mm Needle Length Range: 1 to 1.9 Inches Needle Material: Medical Grade Stainless Steel Sterility: Sterile Type: Long Type Usage: Disposable