&lt;p&gt;Operative office stool without backrest, ML426 is equipped with adjustable height.&lt;/p&gt;  &lt;p&gt;Standard basement is made of black nylon ∅600 mm but is also available made of chromed steel ∅640 mm. Can be ordered black castors, soft castors or fixed feet, depending on customer needs.&lt;/p&gt;  &lt;p&gt;The seat with ergonomic shape is made of black polyurethane.&lt;/p&gt;  &lt;p&gt;The seat's height is adjustable through gas lift from 38 cm to 51.5 cm.&lt;/p&gt;                            	    	                      	    	                      																				    	                      							    	                      				    	                      	    	                      	    	                                                                                                       &lt;p&gt;&lt;/p&gt;&lt;div class=&quot;sizes-and-weight-desc&quot;&gt;&lt;b&gt;Dimensions and weight&lt;/b&gt;&lt;table class=&quot;tDim cUfficio01&quot;&gt;&lt;tbody&gt;&lt;tr&gt;&lt;td class=&quot;tDim1&quot;&gt;&lt;span&gt;42 cm&lt;/span&gt;&lt;/td&gt;&lt;td class=&quot;tDim2&quot;&gt;&lt;span&gt;46.5 cm&lt;/span&gt;&lt;/td&gt;&lt;td class=&quot;tDim3&quot;&gt;&lt;span&gt;38-51.5 cm&lt;/span&gt;&lt;/td&gt;&lt;td class=&quot;tDim7&quot;&gt;&lt;span itemprop=&quot;weight&quot; itemscope=&quot;&quot; itemtype=&quot;http://schema.org/QuantitativeValue&quot;&gt;&lt;span itemprop=&quot;value&quot;&gt;10.2&lt;/span&gt; &lt;span itemprop=&quot;unitCode&quot;&gt;kg&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;/div&gt;