Cartridges are for one time use only. 0.25mm

Package comes with 10 PCS 42 pins(for Dr.pen M8) only. The pen is NOT included. The replacement cartridges are Dr.pen M8 replacement accessories and made of the Dr.pen original factory. It only fit for the Dr.Pen Ultima M8. 0.25mm. Dr.Pen Ultima M8 Replacement Cartridges 42 Pins 10 Pcs.

Date First Available: June 21, 2020. Best Sellers Rank: #145,496 in Beauty & Personal Care. Customer Reviews: 4.6 4.6 out of 5 stars 47 ratings 4.6 out of 5 stars. : B08BKS7WJS. Manufacturer Part Number: ?M8-42. Item model number: ?M8-42. Package Dimensions: ?5.47 x 3.78 x 1.46 inches. Item Weight: ?12.7 ounces. Brand: ?Dr.Pen. Manufacturer: ?Dr.pen.