The sturdy and easy-to-use rack is made of anodized aluminum, the mounting plate is varnished plywood. The spring, bolts and nuts are made of stainless steel. Requires normal maintenance. NOTE! maximum engine weight 35 kg, clearance 32 cm from top to bottom. <br /><br />It is also possible to order a connector 9519044008 for the product, which allows the rack to be installed on various transoms.