Choosing the right harp adapter helps your lampshade sit securely and at the correct height. This 2026 guide explains how harp adapters work, the difference between clip-on, screw-on, and saddle-style options, and how to measure your lamp for the proper fit. Learn how to match the adapter to your lamp base, bulb type, and shade style to ensure stable, balanced lighting and a clean, polished look in any room.