Product details:

All cast aluminum housing construction Notched Delrin detent Steel clamp includes a slip-resistant rubber shim and tightening bolt for a perfect fit. Model # 18092 Features: High-Impact ABS Plastic Housing: Resists damage Adaptive 360 Bracket Rotation: Will accommodate any angle roll cage pillar & provide optimal viewing position, so you can mount it high or low and adjust to perfect position every time Full Breakaway Geometry: Designed to break away during impacts to prevent damage Ball Socket Joint: Provides a broad range of viewing angles Heavy-Duty Steel Mounting Clamp: Low mass design provides maximum strength and durability Convex Mirror Surface: provides wider viewing angle and image stabilization Shatter Resistant Safety Glass Item Dimensions: 8.6" L x 9.2" W x 4.5" H