Fangrui Product Details [excellent Material] Copper Construction With Knurled Handle, Sturdy And . The Fine Tip Gives You Drip-free, , And Consistent-width Lines. [great Retouching Effect] 0.5mm, So Even Tiny Chips, You Can Retouch Without Using Too Much Paint, And The Retouching Effect Is Excellent. [simple To Use] Dilute The Paint To A Water-like Consistency, Then Pour It Into The Water Reservoir, Just Fill The Reservoir With Paint, Hold It, Spread Evenly On The , And Let The Paint Glide Gently. Take A Small Amount Of Paint And Mix 1:1 With Water For Results. [easy To Clean] This Fine Line Painting Pen Is Equipped With A Pen To Unclog Needle For Cleaning The Precision Nib Hole Of The Pen To Prevent The Nib From Being Clogged By Impurities. [wide Use] All Kinds Of Paint/ink/liquid Metal/enamel Can Be Added On Almost Any Flat , Suitable For Artistic Activities Such As Tracing, Drawing And Writing. After Each Use, Clean Thoroughly With The Provided Cleaning Tools And Soapy Water, And Then Use The Pen Holder To Unclo