Ready to get SIRIUS in the industry!?! Skylotec's Sirius Descenderwas designed to be one of the best descenders for both, industrial and safetyapplications! Built to be extremely compact and thanks to it's sturdy design, thisdevice will give you optimal performance with a longer service life. Sirius maybe small enough to fit in the palm of your hand, but it packs a punch in rescueapplications. The automatically closing lever has a particularly small radius ofmotion that makes working fast, accurate, comfortable and safe. Removing yourcarabiner to open descenders are a thing of the past now! This nifty descenderallows you to keep your carabiner in its allotted becket while you open the secondside plate for rope insertion. Sturdy housing material machined from100% steel.• Eyelet in the lever allows tandem rescueparallel descent using an accessory chord inrescue scenarios.• No removal of the carabiner needed toinsert rope.• Rope Diameter 10-12mm• Meets ANSI/ASSP 2359.4--552 Ibs.• Meets EN 12841-C• Meets EN 341-2A--440 Ibs.• Meets OSHA--310 Ibs.