Item Type: Cutter Universal Pen Adapter Material: Aluminum Alloy Application: For MAKER all machines with diameter less than 12.5mm(0.5in) Package List 1 x Pen Adaptor 1[Aluminum Alloy Material] This cutting machine pen adaptor is made of aluminum alloy material with exquisite workmanship. 2[Robust and Stable] Cutting machine pen adapter is universal, robust and stable so you can have the stable using process. 3[Applicable Models] Cutting machine pen adapter is applicable for MAKER all machines with diameter less than 12.5mm(0.5in). 4[Wear Resistance] As a cutting machine accessory, our cutter pen adapter is with great wear resistance and can do longer use. 5[Easy to Install] Cutting machine pen adapter is easy to install and safe for you do quick calibration and testing.