Pilot Dr. Grip Center of Gravity Ballpoint Ink Refill， 2-Pack， Medium Point， Black Ink (77271)<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"> Refill fits the following pens: Dr. Grip Center of Gravity， Dr. Grip PureWhite and FullBlack， Ageless Ball Point， MR Ball Point and Axiom Premium Ball Point pens </span></li><li><span class="a-list-item"> 2 ballpoint pen ink refills per pack </span></li><li><span class="a-list-item"> Black ink </span></li><li><span class="a-list-item"> Turbo charged ink with a medium point </span></li><li><span class="a-list-item"> Extend the life of your favorite Pilot pen </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/416v3tNLnnL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/816LxZ0n2qS.png" noproxy><img src="http://ecx.images-amazon.com/images/I/81tX3icseSS.png" noproxy>