Can replace guardrail system of horizontal pole model

The utility model relates to a can replace guardrail system of horizontal pole model, including stand, end cover and railing, characterized by: the end cover is first end cover and second end cover respectively, and it has the through -hole that a plurality of diameters are unified to open on the stand, and first end cover and second end cover are inserted in the through -hole of locating on the stand respectively and be used for string establishing the railing, the railing includes two kinds on first railing and second railing, and wherein the diameter of the outer wall of first railing is greater than the diameter of the outer wall of second railing, and on first railing was hung through first end cover and is establish the post, the second railing was hung through the second end cover and is located on the stand. This guardrail system adopts above -mentioned design, sets up the through -hole of same diameter on the stand, through the same external diameter nevertheless the end cover of different internal d