https://www.rbahelp.com/exit-devices/now-stocking-the-von-duprin-880990-trim-hex-shafts-or-studs/ Helpful Tips and Instructions for Commercial Door, Partition, Locker, Stair Treads, Window Parts, and Bleacher Concerns Wed, 03 Oct 2012 14:42:58 +0000 hourly 1