Diameter: 10mm, Length: 75mm (approximate measurement) PYREX Pyrex made in Japan IWAKI GLASS UNDER LIC Iwaki Glass All items are unused, but please be aware that they have been stored for a long time, so they have been washed with water and wiped with alcohol disinfectant wipes. Shipping will be done with bubble wrap and carefully packed with cushioning material, but there is no breakage guarantee. Due to home storage, there may be other scratches or wrinkles. Please understand and accept this before purchasing. Instant purchase is OK. Thank you for reading. ※ There are more than 20! We will discount for multiple purchases! Please comment!