rigid shell knee pad with heavy elastic that has a Velcro adjustment feature

Featuring breathable

synchronizable

A common elevator key to access an elevator door

200ZHL Star Halo® LED Beacons brand_Dynarex rigid shell knee pad withStar Halo Technology is patented (#8,662,702) Exceeds SAE Class I J845 standards California Title 13 available S Link System synchronizing capabilities with up to six other Star LED units Fully encapsulated circuitry for weather and shock resistance Extremely low current draw 4 LED Star Halo tower 12 customer selectable flash patterns, including steady on Four LED rotating version available (200ZHRL) Durable polycarbonate, twist on off lens Heavy die