Black Diamond ATC Pilot. Purchased new a year ago and used only once at a gym. I switched back to a regular ATC after that and have kept it in storage since. I'm selling it because I don't see myself using it anymore. There is chalk residue from use, but there are no damaged parts. Please note that I am not responsible for any accidents or injuries resulting from the use of this device. Please ensure thorough checks before use. The following is an automatically generated description: The ATC Pilot is a carabiner-style belay device perfect for climbing and belaying. - Model: ATC Pilot - Brand: Black Diamond - Color: Gray/White - Shape: Carabiner type Thank you for looking.