Edge Locking Support - Snap In, Anti-Rotation, Locating Nose, Solid; suitable for a hole diameter of 4.0 mm | 0.157 in and a panel thickness range from 1.57 mm | 0.062 in to 1.2 - 1.8 mm | 0.047 - 0.071 in. Overall spacer length is 30.0 mm | 1.181 in.