KL+ This profile is designed to be used internally to mimic stretched canvas frames Pros - light-weight, 22mm deep, can be bent / curved around a surface. Cons - requires a fixing at 250mm centres max, single use. Note* all Crystal tensioning profiles require a solid fix for the graphic to reach optimum tension. Failure to get a solid fix can have detrimental effects on the graphics tension. samples of KL+ from our Flickr page No photos available right now. Please verify your settings, clear your RSS cache on the Slickr Flickr Admin page and check your Flickr feed You must be logged in to post a comment.