Precision 22mm Ball Adjustment Dual 22mm (7/8") ball joints provide secure positioning with extensive 360 and 180 articulation for optimal viewing angles across any setup. ^^ Durable Glass-Filled Nylon Construction Built from tough, glass-filled nylon for reliable strength and long-lasting performance in demanding everyday and outdoor environments. ^^ Easy & Secure Adjustability Includes both a Hex Screw option for anti-theft security and a Thumb Screw option for quick on-the-go adjustment and repositioning. ^^ Preload Tension Stability Engineered with integrated preload tension to maintain arm integrity during adjustment while allowing smooth repositioning without disassembly. ^^ Full Quad Lock 360 Compatibility Compatible with all Quad Lock 360 Heads and Bases, with integrated cable management grooves for clean and organised installations.