manker P20 戰術筆
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MANKER P20 Titanium Tactical Defense Pen Tungsten Glass Breaker Tool +6x Replacement Refills
Widly Application - The tactical pen works perfectly, Exceptionally satisfying in-hand feel. and does come with extra piece ink refill, you can use as writing, self defense,tungsten steel tip glass breaker;
Lightweight & Sturdy - Made of titanium TC4,last for many year. It is also cute light weight, easy take it as EDC to anywhere.
Exceptional mechanical finish - the whole finish extremely like super Transformers; have precisely CNC machining process, with beautiful Burning blue color Oxidation; plus unique hollow design, and anti-slip design in pen body.
Specification:
Sku: Manker P20
Material: titanium TC4 alloy (Pen body) + tungsten steel (Attack head)
Length: 133mm /5.236 inch
Diameter(maximum): 9mm /0.354 inch
Weight: 44g (included refill)
Package included
1x Manker P20 tactical pen with refill
1x packge box
1x Replacement refill
Why Titanium:
Titanium is almost the only thing in the world completely non-toxic to human body, it is the top aerospace materials that able to adapt to the harsh conditions of outer space, but also can be safely implanted in the body become a part of the body of medical equipment timber.
Titanium Characteristics:
1. Healthy, Environment & Human-friendly
As the titanium is non-toxic and perfect compatible with the human bod and blood, it is widely adopted in the medical for making human apparatus. Besides, Titanium belongs to non-magnetism metal, it will not be magnetized.
2. Lightness
Titanium is 4.51g/cm3 in density, higher than aluminum, lower than steel, copper and nickel, whose intensity tops in all metals. In other words, its weight nearly aluminum at the same volume. However, its intensity is stronger than aluminum or even stronger than steel.
3. Free from rust, acids & bases
Titanium is kept rust-proof in deep sea and stable in all kinds of media, like hydrochloric acid, nitric acid and even mixed acid. The reason is titanium generates a high density and hard oxide layer, which protects it from corrosion. And even being adrased, it will be restored very soon.
4. Heat & Low temperature resistance
The melting point of Titanium is extremely high, and Titanium can be used for a long time in over 600 Degree Celsius environment, its intensity gets intensified as the temperatures falls down. But its plasticity can be kept almost constant. The metal remains in good ducitllity even at -253 Degree Celsius without being brittle. For this reason, titanium is the ideal material for low-temperature containers.
5. Stronger than steel
Titanium shows a high ultimate performance (tensile strength/yield strength),that means titanium products not easy to deform after forming. Go this big ratio, Ti makes a big resilience when the titanium products form.
6. Good heat transfer performance
Titanium metal's thermal conductivity is lower than the carbon steel and copper, but because of its excellent corrosion resistance, so the wall thickness can be greatly attenuated, and the surface and steam's heat exchanger is drop wise condensation, the heat resistance is reduced, it can be also reduced if the titanium surface is fouling-free, so that the titanium heat exchange performance is improved obviously. 簡單翻一下第一段 有需要更多我再補上:D
MANKER P20 鈦金屬戰術防禦鋼筆+鎢鋼頭玻璃擊破器
此戰術筆做工精緻、手感紮實; 構造輕巧堅固 - 採用TC4鈦合金
卓越的機械車削拋光 - 成品有如變形金剛般的具有機械美感; 精密的CNC工藝、以及美觀精緻的藍色鈦燒氧化; 獨特的中空設計也提供了一定的防滑效果與持握感，是隨身EDC不可或缺的良伴!
(關於TC4鈦合金材質係數: [url]http://www.twword.com/wiki/TC4%E9%88%A6%E5%90%88%E9%87%91[/url])
材質：鈦合金TC4（筆身）+鎢鋼（攻擊頭）
長度：133mm /5.236英寸
直徑（最大）：9mm /0.354英寸
重量：44g（含筆芯）
包裝內含物:
1x Manker P20戰術筆與筆芯
1x包裝盒
1x替換筆芯
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