Hangman BCK-20 Electrical Distribution Products Securely Holds In Drywall, Lath, Plaster & Wood Requires Only A Phillips(r) Screwdriver For Installation Works With D-rings, Sawtooths, Wire, Keyholes & More Aluminum extrusion attaches to any wall surface. Opening will accept all Hangman and other standard slatwall accessories Works as one single strip or in multiples. Track has an upper and lower lip that will secure any 1/2" panel for several design applications A great way to improve your garage or slatwall systems