A spreader ( 100, 200, 300) comprising: a bucket ( 102, 202, 302); a handle unit ( 130, 230, 330) connected to the bucket ( 102, 202, 302); a pair of wheels ( 152, 252, 352) attached to the bucket ( 102, 202, 302), wherein the pair of wheels ( 152, 252, 352) is configured to move the spreader ( 100, 200, 300); at least one material dispensing hole disposed at a bottom portion ( 106, 206, 306) of the bucket ( 102, 202, 302); and an adjustment mechanism for controlling a rate of discharge through the material dispensing hole, the adjustment mechanism comprising: an adjustment element slidably mounted on the bucket ( 102, 202, 302) and disposed over the material dispensing hole, wherein a movement of the adjustment element is configured to vary a degree of opening of the material dispensing hole between a full open position and a full closed position; a linking element ( 184, 284, 384) having a first end and a second end, the first end of the linking element ( 184, 284, 384) is attached to the adjustment element; and a manually actuable lever ( 170, 270, 370) having an attachment portion ( 176, 276, 376) to support the second end of the linking element ( 184, 284, 384), characterized in that the attachment portion ( 176, 276, 376) of the manually actuable lever extending along a circular arc profile having a geometric centre at a point of support of the linking element ( 184, 284, 384) with the bucket ( 102, 202, 302), and the second end of the linking element ( 184, 284, 384) is movable along the attachment portion ( 176, 276, 376). a bucket ( 102, 202, 302); a handle unit ( 130, 230, 330) connected to the bucket ( 102, 202, 302); a pair of wheels ( 152, 252, 352) attached to the bucket ( 102, 202, 302), wherein the pair of wheels ( 152, 252, 352) is configured to move the spreader ( 100, 200, 300); at least one material dispensing hole disposed at a bottom portion ( 106, 206, 306) of the bucket ( 102, 202, 302); and an adjustment mechanism for controlling a rate of discharge through the material dispensing hole, the adjustment mechanism comprising: an adjustment element slidably mounted on the bucket ( 102, 202, 302) and disposed over the material dispensing hole, wherein a movement of the adjustment element is configured to vary a degree of opening of the material dispensing hole between a full open position and a full closed position; a linking element ( 184, 284, 384) having a first end and a second end, the first end of the linking element ( 184, 284, 384) is attached to the adjustment element; and a manually actuable lever ( 170, 270, 370) having an attachment portion ( 176, 276, 376) to support the second end of the linking element ( 184, 284, 384), characterized in that the attachment portion ( 176, 276, 376) of the manually actuable lever extending along a circular arc profile having a geometric centre at a point of support of the linking element ( 184, 284, 384) with the bucket ( 102, 202, 302), and the second end of the linking element ( 184, 284, 384) is movable along the attachment portion ( 176, 276, 376). an adjustment element slidably mounted on the bucket ( 102, 202, 302) and disposed over the material dispensing hole, wherein a movement of the adjustment element is configured to vary a degree of opening of the material dispensing hole between a full open position and a full closed position; a linking element ( 184, 284, 384) having a first end and a second end, the first end of the linking element ( 184, 284, 384) is attached to the adjustment element; and a manually actuable lever ( 170, 270, 370) having an attachment portion ( 176, 276, 376) to support the second end of the linking element ( 184, 284, 384),