Hastings' Universal, Switch & Disconnect Sticks Hastings' Universal, Switch & Disconnect Sticks are constructed of woven fiberglass and manufactured resin rich to eliminate chipping and glass fiber peel. Unicellular core is self extinguishing and resistant to cleaning fluids and solvents. Bright yellow epoxy finish is integral part of laminate and will not peel. Switch and disconnect heads are manufactured from high-tensile cast bronze. All sections are 100% tested per OSHA and ASTM F-711.