Made from a special grade of rugged high density polyethylene. UV Protection added. Trays are weather resistant. Provides a safe and convenient storage space for TOOLS and CATV meters. Fit virtually every aerial lift basket. 1TB is our most popular convenient tool tray. 1TB-RA, 1TB-RT and 1TB-S will fit round buckets. Custom colors available. PTI Brackets are designed to mount on buckets with or without liners.