【Easy to Install & Never Fall Off Diamond Painting Pen Tips】 We designed a upgraded type of diamond art pens tools which adopt screw threaded design, easy to screw into the pen barrel, Never Fall Off & Not Loosen or Tight ! 【PREMIUM MATERIAL】Totally different from those plastic drill pens; Our 5D diamond painting pen is made of 100% handmade resin, more durable and reliable. It adopts proper ergonomic design, The pattern on each stylus is unique. Each customized drill pen is like a unique artwork. 【LIGHT WEIGHT & COMFORTABLE】Diamond painting accessories pens are light weight and more humane design than ordinary pens. It easier to hold for longer periods of time without your hand getting fatigued. 【WIDELY USE】The diamond painting drill pen is absolutely great for a beginner to the craft/hobby or the expert. Any level of skill could benefit from the use of this kit. Can also be applied to nail art, cross-stitch, embroidery, mosaic making, etc. 【SUPERIOR SERVICE】About diamond painting pens, If you are not satisfying with our diamond art pen. Unconditional return or refund. Any questions will be answered within 24h.