Reusable Peptide Pen - V3 pen injector (Gold) with portable protect case 60 Unit Injection Pen Precision Dosing - While most reusable pens cap at 60 units, this pen injector covers a full 0-60 unit range with 1-unit increments, giving you more flexibility and precise control in a single device High-Quality Reusable V3 Peptide Pen - Premium metal construction for long-term repeated use, lightweight resists wear with clear viewing window, easy to hold, providing a comfortable grip during operation Personal Pen Device - Portable design easily fits in pockets or travel bags. The compact is easy to carry and can be used for outdoor activities, travel, family, and work environments Universal Compatibility - Universal compatible with 3ml pen cartridge. If using prefilled cartridges, please confirm size prior to ordering. Note: The product does not include 3ML CARTRIDGES and PEN-TIPS ASIN B0H6FW1W7R Manufacturer Inosyner Item model number DXJ12547 Package Dimensions 7.95 x 4.09 x 1.73 inches; 7.05 ounces