Highway Traffic Supply Standard H Frame Wire Stakes 10" x30" Pkg of 50 - Yard Sign Stake - Use with 4mm Corrugated Signs 50 Heavy Duty H frames, no sign blanks 10" x 30" Use 1 per sign. Easily holds up to size 2' x 4' sizes corrugated plastic using 1 or 2 per sign signs The are 9 Gauge galvinized steel that resist rusting. Proudly made in the USA