4180-0746-XE115RC Hardware Kit with Stainless Steel Ball Carriages

Everything you need for effortless linear motion. A complete kit for an easy yet thorough set-up, this 115RC kit includes the following: two stainless steel ball carriages (SS0115-CASSRC), 2 end stops (AL0115-STOPRC), four M5 ⅝" barrel nuts, and four star washers.