uxcell 20 Pcs Amplifier 4mm Banana Socket Binding Post Connector Adapter<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"> Product Name : Binding Post;Thread Dia. : 5.5mm/ 0.22" </span></li><li><span class="a-list-item"> Fit Banana Connector Dia. : 4mm/ 0.16";Overall Size : 15 x 11mm / 0.6" x 0.43" (L*Max.D) </span></li><li><span class="a-list-item"> Main Material : Metal，Plastic;Main Color : Red， Black，Silver Tone </span></li><li><span class="a-list-item"> Net Weight : 40g </span></li><li><span class="a-list-item"> Package Content : 20 x Binding Post </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/418qrzsVmPL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41TQVkffz5L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41P4x%2BGR3RL.jpg" noproxy>