The ART BlackBird is a fully featured rope device designed for both SRS (SRT) and MRS (DRT) climbing techniques. Switch between systems on the fly - without tools and without removing the rope from the device. Its intuitive design delivers identical descent behavior in both modes, making it a top choice for professional arborists. 🔑Key Features Dual-Mode Functionality Seamlessly switch between Single Rope (SRS) and Moving Rope (MRS) climbing Integrated Swivel Keeps device aligned for optimal performance 🔧 Tool-Free Mid-Line Attachment Can be opened via push button while remaining tethered to harness 💪 Rescue Certified Supports two-person loads in SRT and DRT modes 🎯 Precision Feeding Top carabiner feed-in aligns rope with ease Ball-Bearing Pulley Smooth operation even with minimal slack 🛠️ Friction Cam Adjustability Rotate cam on friction amplifier to fine-tune descent 📐 Specs Certifications: EN 12841 B/C Device Weight: 609 g (21.5 oz) User Weight Range: 60–150 kg (132–330 lbs) Service Life: 7 years from first use Rope Compatibility: Brake Jaw A: Ø 11.2–11.9 mm Brake Jaw B: Ø 11.9–13 mm Handedness: Suitable for left- and right-handed users 🎒 Ideal For Professional arborists Advanced tree climbing Rescue operations Rope access specialists SRT/MRS hybrid climbers 🦾 Modular, durable, and field-repairable – All wear parts are replaceable, and the BlackBird includes two cams to adapt to your rope diameter. Climb smarter, safer, and more efficiently—add the ART BlackBird to your kit today!