Diameter 0.5 in (1.3 cm).
Python Safety Quick Spins make permanant marker and large pens tether-ready in seconds. Quick Spins are available in many sizes to accommodate a wide selection of tools and pens. Reusable, suitable for non-conductive use, and a tangle-resistant spin top make Quick Spins an outstanding lanyard adaptor that doesn't deface tools. Sold in Packages of 10.
Tools commonly used with include:
- Permanent Marker
- Larger Pens
- …and more
Patent # 8,646,768