... :SS201,SS301,SS304 Spec.:8",10",12",14",16",18",24",36" Bar thickness:2.0,2.5,3.0(mm) Square ... slot:width 22mm 1. 22mm square slot, non-handed, super heavy-duty friction stays (6 ... PVC composite slider bring more strengthen, durable and smooth operation.3. Be made of stainless steel 304# for maximum strength and ... , as well as high resistance to corrosion.4. Max open angle: 60o ±3o