Optional Guard Rail accessory for mat tables to prevent patients from rolling or falling off. Connects to table via accessory bracket. Attachment is exclusive to Tri W-G products. The Guard Rails have a maximum static load of 500 lbs. They are raised and lowered easily. This is an accessory for TWG9000.BM series tables only from Tri W-G. The purchase only includes the Guard Rail and not the accessory bracket or the table. Installation is easy and can be done on-site after purchase.