Vinyl Trim Adapter Tips for Coil Cordless Roofing Nails - Vinyl Trim Adapters and Vinyl Siding Adapters. Vinyl siding tip adapters are made of high quality plastic material that won't break easily and last longer. Features unmarked tips to prevent damage to your work surface and easy-to-view nail guides for accurate tip adapter placement. The Vinyl Siding Adapter Tip is easy to install due to the raised top, it fits perfectly in the slot and works effectively once installed.