Type: For high-altitude work, automatic retractable type Type: Carabiner/sling Made in Germany, MSA Latchways Mini Single and Twin Leg Retractable Straps. The V-TEC Mini retractable neck strap is the most compact and lightweight self-retracting neck strap developed using multiple spring radial energy absorption technology. • 1.8m length A powerful safety tool for high-altitude work, forestry, and other dangerous jobs.