&lt;p&gt;Handy and versatile task chair, adjustable in height it is also perfect to furnish the home office area.&lt;/p&gt;  &lt;p&gt;The pyramidal base ∅690 mm is available in black nylon or in aluminium, provided with black or soft castors ∅65 mm.&lt;/p&gt;  &lt;p&gt;The &lt;strong&gt;backrest in black mesh&lt;/strong&gt; is equipped with adjustable lumbar support. The seat has plywood core and it is upholstered with different fabric or imitation leather, available in fireproof or waterproof versions, in a wide range of colours.&lt;/p&gt;  &lt;p&gt;This office chair may be supplemented by fixed or adjustable &lt;strong&gt;armrests.&lt;/strong&gt;&lt;/p&gt;  &lt;p&gt;The seat has a&lt;strong&gt; 4 locking positions Synchro multiblock mechanism&lt;/strong&gt;, which allows the oscillation of the seat and backrest in a synchronized manner and the locking in 4 different positions.&lt;/p&gt;  &lt;p&gt;Upon request is also available the 4 locking positions Syncro mechanism with seat slide or the moulded foam seat. Please ask the Customer Service for more information.&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;46.5 cm&lt;/span&gt;&lt;/td&gt;&lt;td class=&quot;tDim2&quot;&gt;&lt;span&gt;50.5 cm&lt;/span&gt;&lt;/td&gt;&lt;td class=&quot;tDim3&quot;&gt;&lt;span&gt;44-57.5 cm&lt;/span&gt;&lt;/td&gt;&lt;td class=&quot;tDim4&quot;&gt;&lt;span&gt;99-112.5 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;16.3&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;