Nusign 0.5mm Neutral Pens Black Ink Smoothly Writing Gel Pen Student Exam Pen With Anti-fall Clip Business Signature Pens Stationery Supplies 12Pcs/Set Writing Pen For Home Office School

Nusign 0.5mm Neutral Pens Black Ink Smoothly Writing Gel Pen Student Exam Pen With Anti-fall Clip Business Signature Pens Stationery Supplies 12Pcs/Set Writing Pen For Home Office School Product informationPen tip: reinforced needle tube 0.5mmProduct model: NS567Style: pull cap typePen body size: 138mmColour: BlackPacking Insides:12Pcs/Set Nusign upgrades a new style Slip to your heart Smooth ink Write smoothly into the coreRelying on more than 30 years of pen-making experience, Deli pen-making has undergone repeated experiments and researchAfter continuous exploration, a new generation of gel pen ink has been developed-the smoothness, ink viscosity, color uniformity, etc. have been greatly improved. 0.5mm reinforced needle tube Let the inspiration shinePrecision-processed tungsten carbide balls, wear-resistant, durable, and reliable in qualityStable ink output, adapt to a variety of writing angles Reduced resistance and improved performance The surface roughness of the ball is reduced from 0.025 to 0.012The friction coefficient is reduced to 0.185, and the writing performance is further improvedAutomated manufacturing of high-precision equipment, with an assembly accuracy of 0.005mmRoughness: 0.025, large surface frictionRoughness: 0.012, smoothness improvedNote 1: The surface roughness of the ball is tested by a powerful laboratory, due to changes in external conditions or errorsNote 2: The international document GB/T 37835-2019 stipulates that the friction coefficient should be <0.35Note 3: The friction coefficient value of 0.185 is a powerful laboratory test, and there may be errors due to changes in external conditionsNote 4: The assembly accuracy requirement of 0.005mm is the process requirement standard for assembling the ball of the deli pen tip Spiral texture, comfortable grip Improved writing comfortIf the pen barrel is too thick or too thin, it will cause poor hand feeling, and the right grip feelingWith the addition of non-slip texture design, it achieves both beauty and comfort. Pen clip design nib protection Portable anti-lost and anti-roll offClip it on a notepad or book for easy carrying and avoid accidental lossEven if the pen is placed on a slanted desk, it will not roll off the desk Large-capacity ink Freely write more than 1200mA new NS567 Neutrophil pen can write around the length3 laps in a 400m playground, four times the size of ordinary gel pens Note: There may be chromatic aberration due to differences in shooting light and monitors, etc., please refer to the actual product Giá sản phẩm trên Tiki đã bao gồm thuế theo luật hiện hành. Bên cạnh đó, tuỳ vào loại sản phẩm, hình thức và địa chỉ giao hàng mà có thể phát sinh thêm chi phí khác như phí vận chuyển, phụ phí hàng cồng kềnh, thuế nhập khẩu (đối với đơn hàng giao từ nước ngoài có giá trị trên 1 triệu đồng).....