Blisslights Clamp Accessory Blisslights Heavy Duty Clamp allows you to mount the Spright Compact Laser Lights Clamp opens to 1 3/4", or if you are strong, maybe a bit more. Super strong spring. This could be a permanent mount OR a temporary mount. Heavy Duty, maximum positioning flexibility THIS CLAMP IS NOT COMPATIBLE WITH THE 16 COLOR GARDEN ACCENT LIGHT