description 12 ft duoscreed blade multiquip's duoscreed utilizes a unique blade profile that enables one person to strike-off concrete floors. the screeds vibratory action embeds aggregate and reduces air voids, producing a strong, dense slab, while eliminating the strenuous, time consuming labor of manual screening. california proposition 65 warning. features foam filled ends or plastic end caps prevent concrete from entering screed one piece extruded aluminum portable design available in many lengths specifications acme tools brand name multiquip acme tools part number dsb12lw assembled weight (lbs) 18 blade length (in) 144 blade thickness (in) 4 blade width (in) 3 brand / model compatibility multiquip california proposition 65 warning required yes country of origin japan globaltradeitemnumber (gtin) 00413720002832 internal supplier part # dsb12lw internet product code (ipc) 83279eb054b manufacturer warranty 1 year limited manufacturer warranty. see manufacturer's website for details. material aluminum number of blades 1 package contents number of blades: 1 package depth 4 package height 80 package weight 28 package weight (lbs) 21 upc 413720002832 weight (lbs) 16