Fisher Space Pen Tactical Trekker Space Pen with Break-Away， Caranbeer and Key Ring， Clam Shell (SCT725B)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Writes at any angle， even in Zero Gravity. Simply the most versatile pen ever made. </span></li><li><span class="a-list-item"> Writes in extreme temperatures from -30F to 250F </span></li><li><span class="a-list-item"> Each Fisher Space Pen is precision assembled， hand tested， and carries a lifetime guarantee against all manufacturing defects </span></li><li><span class="a-list-item"> All Brass and steel construction </span></li><li><span class="a-list-item"> clam shell packaging </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51MPOQBvAqL.jpg" noproxy>