Gilson concrete sample molds for forming concrete specimens that comply with applicable ASTM and AASHTO requirements. Concrete cylinder molds are competitively priced in popular sizes, and are available as single-use biodegradable plastic molds or reusable steel molds. Plastic or steel beam molds for flexural strength specimens are available in a variety of lengths with 6x6in (152x152mm) cross-sections. Cube molds in 6x6in or 150x150mm sizes are useful for ASTM C403 Time of Set testing and the 150mm molds comply with European and British Standard EN 12390-1 for compressive strength specimens. Concrete mold accessories include tools for stripping plastic molds, Wraps to contain broken pieces during compression testing, and Carriers for easy specimen handling in lab and field.