LM-300-EXT Seat Bolt Mount For all Amateur Radio HT's with Mic HolderThis Seat Bolt mount truly requires no holes to drilled at all. This combination comes with our multiple device extension bracket. The device extension bracket has an HT and Speaker microphone holder that will accept any belt clip or button type mount. If you have questions on this, give us a call at 949-690-5616 or e-mail us at firstname.lastname@example.org and we will help you. This mount is very easy to install. Just loosen the passenger seat bolt, slide the mount bracket under the bolt, tighten the bolt. The mount has a 22" Gooseneck Swivel Mounting Pedestal, this allows you to place our device in the perfect position for optimal viewing. This mounting solution does not require drilling. We do include additional hardware if you do want to permanently install the bracket, but it is not necessary.