Metal Plus LLC roof brackets make standing seam metal roof installation safer and faster. The patented, non-penetrating design clamps onto the seam, and rubber pads protect panels from scratches. The brackets work on both mechanical and snap-lock standing seam roofs, which makes them some of the most seam-safe roof jacks available. Adjusts from 3/12 to 24/12 slope, one degree at a time, with a double-start crankshaft Keeps the walking platform level at all times, in line with OSHA requirements Fits seams from 1″ to 2″ (snap-lock or mechanical) Built for 12″ aluminum planks, which lock into place automatically Custom rubber pads prevent roof damage High-grade powder coating resists corrosion Installs and comes off easily with one hand 300 lb rating, wet or dry Popular with solar installers, carpenters and masons who need a stable, comfortable spot to work for long stretches