- Aluminum, Spring-Loaded, Hex-Locking Thumbscrew (3/16" or 5 mm) for Positioning Ease
- Extra Wide Relief Cut Provides a Two-Line Stable Contact for Post
- 1/4"-20 (M6) Tapped Hole on Bottom
- Packs of 5 Also Available for 1" to 4" Lengths (20 mm to 100 mm)