The Quad Lock 360™ Single Bolt M8 replaces any M8 bolt for a secure way to mount your device. Compatible with all Quad Lock 360™ ARMS, HEADS and ACCESSORIES. The Bolt Base and Spacers feature anti-rotation serration for easy and secure installation. WHAT'S INCLUDED 1 x Quad Lock 360™ Base Single Bolt - M8 1 x 5mm Serrated Spacer 1 x 10mm Serrated Spacer TECH SPECS Replaces an M8 bolt Anti-rotation serrated M8 bolt base and spacers High tensile grade steel bolt Low profile installation option when installed without spacers Higher profile and clearance of surrounding components when installed with included spacers Compatible with all Quad Lock 360™ ARMS, HEADS and ACCESSORIES ------------------------------------------------------------------------------------------------------------------------------------------------------- The Quad Lock 360™ system allows you to create the perfect phone mounting setup for your unique needs. Choose from 9 base options, 3 extension arms, and 2 mounting head options to configure the ideal smartphone mount for your active lifestyle!