• Corrosion and rot-proof
• Will not absorb moisture
• Will support a 100 ton Air Hydraulic Jack
• Will not break under load, mushroom, or warp
• It works with all types of jacks and doubles the surface area for jack to sit on
• Great in soft earth or uneven ground
• Allows Employer to comply with OSHA Regulation 29 CFR 1926.305 "Blocking for a Firm Foundation"