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diff --git a/lib/axlsx/drawing/marker.rb b/lib/axlsx/drawing/marker.rb
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+module Axlsx
+  # The Marker class defines a point in the worksheet that drawing anchors attach to.
+  # @note The recommended way to manage markers is Worksheet#add_chart Markers are created for a two cell anchor based on the :start and :end options.
+  # @see Worksheet#add_chart
+  class Marker
+
+    # The column this marker anchors to
+    # @return [Integer]
+    attr_accessor :col
+
+    # The offset distance from this marker's column
+    # @return [Integer]
+    attr_accessor :colOff
+
+    # The row this marker anchors to
+    # @return [Integer]
+    attr_accessor :row
+
+    # The offset distance from this marker's row
+    # @return [Integer]
+    attr_accessor :rowOff
+
+    # Creates a new Marker object
+    # @option options [Integer] col
+    # @option options [Integer] colOff
+    # @option options [Integer] row
+    # @option options [Integer] rowOff
+    def initialize(options={})
+      @col, @colOff, @row, @rowOff = 0, 0, 0, 0
+      options.each do |o|
+        self.send("#{o[0]}=", o[1]) if self.respond_to? o[0]
+      end      
+    end
+    
+    def col=(v) Axlsx::validate_unsigned_int v; @col = v end
+    def colOff=(v) Axlsx::validate_int v; @colOff = v end
+    def row=(v) Axlsx::validate_unsigned_int v; @row = v end
+    def rowOff=(v) Axlsx::validate_int v; @rowOff = v end
+
+    # shortcut to set the column, row position for this marker
+    # @param col the column for the marker
+    # @param row the row of the marker
+    def coord(col, row)
+      self.col = col
+      self.row = row
+    end
+    # Serializes the marker
+    # @param [Nokogiri::XML::Builder] xml The document builder instance this objects xml will be added to.
+    # @return [String]
+    def to_xml(xml)
+      [:col, :colOff, :row, :rowOff].each do |k|
+        xml.send("xdr:#{k.to_s}", self.send(k))
+      end      
+    end
+  end
+
+end