12x Dispenser Needle Tip: 6 x a + 6 x bProduct Name : Dispenser Needle Tip;Material : Stainless Steel;Gage NO. : 12/13Color : Silver Tone;Tip Inner Dia.(Approx.) : 2.05mm/ 0.08 inch ; 1.81mm/ 0.071 inchTip Outside Dia.(Approx.) : 2.8mm/ 0.11 inch ; 2.26mm/ 0.089 inchTip Length : 25.7mm/ 1 inchTop Inner Dia. : 4mm/ 5/32 inch ;Total Size(Approx.) : 36.5 x 6 x 6mm/ 1.44 inch x 0.23 inch x 0.23 inch (L x W x T)With fully threaded luer lock to avoid slipping.The stainless steel needle can be used for all type of fluid to dipsense and can be clearn easy.Package Contents: 12x Dispenser Needle TipOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.