SRG/SCG AIU Restricted Access Mounting Kit Installation Created with Sketch. This kit contains four screws with over-sized heads to enable hand tightening when the AIU is installed in an area with restricted access. Find a partner More accessories ItemPart no.AIU restricted access mounting kit300-00231Compatible with these productsPlease select one more product to compare with. SRG3900 Discontinued More details Please select one more product to compare with. SCG22 More details