Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si Package Include: 30 pack non-stick durable pen bushings in total. Standard 7mm bore, suitable for more sizes of pen bushings compared to the 6mm bore on the market. Material: The non stick white pen bushings are made of HDPE material, will not stick to your pen. It can save the pen barrel and bushing and is easy to clean. Practicality: These non stick bushings can be used for any type of turning and those who prefer finishing. The number of these bushings will meet your various needs. Convenient to Use: There is no the problem of accidentally sticking the blank and bushing together with these 7mm pen bushings, making your finishing easier. Saving Time and Source: These synthetic bushings allow you to easily access and complete of the work piece, unlike the flush steel bushing, which save time unlike flush steel bushings. Colour:White Material:HDPE Package Contents: 30 x Pen Bushings Only the above package content, other products are not included. Note: Light reflection 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.