• Permit the passage of air for ventilation and heat dissipation. 

• Quick and easy installation with only fingertip pressure. 

• Convex, matte finish head tapers to a thin edge. 

• vent holes are .125˝ (3,2 mm) diameter. 

• Locking fingers in fractional increments up to the maximum panel thickness - up to .125". 

• Approximate Head Thickness: .062˝ (1,6 mm). Thickness may vary.