&lt;p&gt;Task chair for workplace solution, simple and practical. This chair has been&lt;strong&gt; certified EN 1335 B&lt;/strong&gt; at the CATAS Institute.&lt;br&gt;&lt;br&gt;The &lt;strong&gt;backrest&lt;/strong&gt; is made of &lt;strong&gt;black&lt;/strong&gt; &lt;strong&gt;net&lt;/strong&gt;. The seat padding of polyurethane and is coated with different types of fabric or imitation leather, available in fire retardant or water repellent versions, in a wide range of colours.&lt;br&gt;&lt;br&gt;The 5-star &lt;strong&gt;base&lt;/strong&gt; is made of black nylon or aluminium; It is equipped with black &lt;strong&gt;castors&lt;/strong&gt; or soft castors in rubber.&lt;/p&gt;  &lt;p&gt;The optional &lt;strong&gt;armrests&lt;/strong&gt; are available in different types, both fixed and adjustable in height.&lt;br&gt;&lt;br&gt;The chair has an adjustable height with &lt;strong&gt;gas&lt;/strong&gt; &lt;strong&gt;lift&lt;/strong&gt; and &lt;strong&gt;Synchro monobloc mechanism &lt;/strong&gt;which allows the oscillation of the seat and backrest in a synchronized manner and the locking in the upright position only.&lt;/p&gt;  &lt;p&gt;Upon request it is also available the &lt;strong&gt;Synchro 4 positions 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;The oscillation resistance is adjusted through the &lt;strong&gt;strength adjuster&lt;/strong&gt;, while the &lt;strong&gt;anti-shock system&lt;/strong&gt; avoids the abrupt return of the seat in an upright position.&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;47 cm&lt;/span&gt;&lt;/td&gt;&lt;td class=&quot;tDim2&quot;&gt;&lt;span&gt;46 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;102-115 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;14.5&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;