What is use of TextBoxFor in ASP.Net MVC Razor

hi sir,

i want to know why this code is written in mvc in asp.net

<div class="col-md-2">
<label>Duration in Min</label>
    @Html.TextBoxFor(m => m.DurationInMinutes, new { id = "txtduration", @class = "form-control txtOnlyNumber", maxlength = "30" })
</div>

@Html.TextBoxFor(m => m.DurationInMinutes, why this is used