06-913 CST/berger 4 Section 13 Foot Fiberglass MeasureMark Telescoping Rod Graduated in Tenths features special reinforcement fiberglass ribs to stop breakage and add stability. 06-913 CST/berger 4 Section 13 Foot Fiberglass MeasureMark Telescoping Rod Graduated in Tenths has easy to read graduations and a special measuring scale on the back and is equipped with reliable and long lasting spring loaded Delrin buttons that are interchangeable between all sections. 06-913 CST/berger 4 Section 13 Foot Fiberglass MeasureMark Telescoping Rod Graduated in Tenths includes a heavy duty carrying case.