Specification Brand : Jensen Global BulletPoint1 : 5 ml BulletPoint2 : 5 cc BulletPoint3 : Air Syringes BulletPoint4 : Luer Lock Syringes BulletPoint5 : Unassembled Syringes ItemName : Jensen Global JG5A-40WK 5 cc Air Syringe & Stopper Kit Clear Barrel Red Thermal Stopper With Tip & End Caps Box of 40 ItemPackageQuantity : 40 ItemTypeKeyword : dispensing-needle-accessories Manufacturer : Jensen Global Inc. NumberOfItems : 40 PartNumber : JG5A-40WK ProductDescription : Air syringe barrels are manufactured with a heavy flange and are custom designed to withstand pressure. The barrels come in clear, UV amber, UV black opaque and ESD. We package these with a white polyethylene stopper for drip-free dispensing. However, several other options are available which include a red straight-wall stopper for high viscosity material, a red thermal stopper for low viscosity materials, or a blue plastic stopper designed specifically to reduce back pressure when dispensing cyanoacrylates. These items come in boxes of 40.