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. Features: Mount replaces an existing M8 handlebar clamp bolt Anti-rotation serrated M8 bolt base and spacers High Tensile Steel Grade 10.9 A low profile inboard mount option Spacers provide option of raising the mount for clearance to large handlebar clamps and surrounding component Compatible With: Quad Lock Bar Spacers Quad Lock Extension Arm Quad Lock Knuckle Adapter Quad Lock Single Pivot Arm Quad Lock Dual Pivot Arms Quad Lock Vibration Dampener Quad Lock Index Lever Head Quad Lock Wireless Charging Head (QLA-MOT-WCH-3) Included in the Box: 1 x Single Bolt - M8 1 x 5mm Serrated Spacer 1 x 10mm Serrated Spacer Materials: Single Bolt: High Tensile Steel Grade 10.9, Zinc Flake Dacromet coating, ND593S blue adhesive Spacers: GCR15, HRC55, Zinc Flake Dacromet coating