Powder Coated Light Duty Telescopic Steel Prop  Heavy duty steel shoring props:MINMAXINTERNAL TUBEEXTERNAL TUBE1.8M3.2M48MM*2.0MM60MM*2.0MM2.1M3.4M48MM*2.0MM60MM*2.0MM2.2M4.0M48MM*2.0MM60MM*2.0MM2.4M3.9M48MM*2.0MM60MM*2.0MM3.5M4.0M48MM*2.0MM60MM*2.0MM3.0M5.0M48MM*3.5MM60MM*3.5MMLight duty steel shoring prop: MINMAXINTERNAL TUBEEXTERNAL TUBE1.6M3.0M40MM*2.0MM48MM*2.0MM48MM*2.0MM56MM*2.0MM1.8M3.5M40MM*2.0MM48MM*2.0MM48MM*2.0MM56MM*2.0MM2.0M3.5M40MM*2.0MM48MM*2.0MM48MM*2.0MM56MM*2.0MM