Cheyenne will be discontinuing the 10pcs box and only offer 20pcs box. Previously known as Bugpin, the BP is actually "Before Polished" which means they are Textured. Cheyenne has update this info with all us distributors and want to inform everyone that they are the same needles known as BP but they will not be labeled as TX "Textured Liners" The Cheyenne cartridge system has made its mark in the tattoo industry. With this system you can easily change between needles within seconds. You save lots of time and focus on what is most important which is your customers and art. All Cheyenne Cartridges have a safety membrane ensures that no pigment can enter the motor and that no dangerous contaminated germs, viruses or bacteria can pass through the membrane and get into your client´s bloodstream. Cheyenne now offers more than 33 needle cartridges. That's a number to be proud of. Cartridges can be changed easily and their wide variety of applications make every and any tattoo wish of your customers come true. All Cheyenne products that need to be return for exchange or refund must be completely seal unopened in original condition for us to accept it.