Description:Brand & Type: Diamond Painting Accessories Material: Alloy Color: Silver/Gold/Rose Gold Height: 22mm/0.87 inch Length: As the picture shows Style: Multi Washers/Single PadsSuitable for: Square Drills and Round DrillsPackage Included: 3/6pcs Replacement Head Pen (Pen Not Included) Features:1. Made of adamantium alloy, which is eternal and never bends. Once mounted on your diamond pens, they will rarely need to be replaced.2. They can be mounted in fully diamond-covered pens with normal plastic and brass nibs, and stick the gems better than ordinary tips.3. Diamond tips are suitable for beginners and skillful players. Ideal for drilling square drill bits and round diamond, and can also be used for nail art, cross stitch, clothes decoration, etc. Warm advice:1. Due to the effect of light and monitors, colors may vary slightly.2. Please allow slight size errors due to manual measurement. Thank you for your understanding!3.1mm = 0.039 inch. Thank you for your attention, if you want to buy more than we listed, please sit . Welcome to visit. I hope you have a nice day!