● Shape: Non-Detachable Spacer Screws. ● Material:Titanium. High Strength: Titanium Alloys Have Very High Strength, Comparable to or Even Higher than Steel, but Weigh Only About 60% of Steel. Light Weight: Titanium Alloys Have a Low Density and Are Lightweight, Which Significantly Reduces the Weight of the Overall Structure and Improves Efficiency and Performance.