HDF Board: High Density Fiberboard 1/4 in. commercial-grade pegboard is a cost-effective, decorative, premium solution when a sturdier pegboard is required. The ideal organization and storage solution for garage, shed, laundry, utility room, craft room, bedroom and closet areas. Unlike regular pegboards that are constructed of layers of glued cardboard, these commercial-grade pegboards will not dry-out, warp, crack or fray - even under severe fluctuations in temperature and humidity, completely maintaining the integrity of the finish. HDF is a wood product similar to MDF, but much denser, stronger and harder. It is recommended to be used with our DuraHook 70000 series locking pegboard hooks and accessories. Dimensions: W H 1/4" D. Superior holding capacity when compared to standard pegboard. Hole diameter is 1/4 In. with 1 In. O. C. spacing. Abrasion, humidity and temperature resistant. Can be cut (using an 80-tooth or higher saw blade), drilled, or routed without cracking and fraying the board. Modulus of Rupture (MOR) rating of 5000psi. Recommended to be used with our DuraHook 70000 series locking pegboard hooks and accessories. 125 lb. load rating per board. Optional DuraHook 70016 Spacer Kit eliminates the need for wood framing. ⚠ WARNING: California Proposition 65 Warning. This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www. P65Warnings. ca. gov . High-Density Fiberboard 1/4 commercial grade pegboard is a cost-effective, premium solution when a more sturdy pegboard is required.