For HUION Pen Nib for Digital Pen PW500 PW507.Quick installation and easy removal offer you maximum convenience.Replacement, smooth writing, easy to use. What drawing tablets are the nibs compatiblet with:For HUION Q620M, HS611, Q11K V2, WH1409 V2 , G10S, G920S. What drawing monitors are the nibs compatiblet with: for HUION Kamvas 16(GS1561), Kamvas 20, Kamvas Pro 16/12/13, Kamvas Pro 20(GT-192), Kamvas Pro 20 2019, Kamvas Pro 22(GT-221), Kamvas Pro 22 2019, GT-191 V2. What's in the box:10 pieces nibs replacement included in every pack, work fit perfect.It can bring you a smooth writing experience and is durable. Nib Length:18.1mm;10pcs/Pack Colour:black Material:Acrylonitrile Butadiene Styrene (ABS) Package Contents: 10 * Pen Nibs 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. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!