Feature:1. No Restrictions: Allows freedom of movement around the lab or manufacturing environment without the restriction of a heel strap testhering you to a bench.2. Hook And Loop: The revesable cup design of the ESD heel grounder can be reversed so that doubles the life span of the product. These heel grounders are made of stretch hook and loop for a secure but comfortable fit.3. One Size Fits All: Makes it great and reliable for small and large shoes worn by either men or women in the lab or manufacturing environment.4. Simple Installation: The easy installation of the foot strap makes them highly desirable in the electronic industry. And made of a highly durable ESD rubber.5. Application: Grounding, ESD control, protecting electronic components, parts, and computers in laboratory or manufacturing environments by correctly using ESD mats or flooring materialsSpecification:Item Type: Anti static ankle heel strapMaterial: ESD, rubber, nylonApplication: Grounding, ESD control, protecting electronic components, parts, and computers in laboratory or manufacturing environments by correctly using ESD mats or flooring materials.Package List:2 x Anti Static Ankle Heel Straps