thumb piece repair


TP, Thumbpiece, Thumb Piece Action, Thumbpiece Action, Thumbturn
Inside cylinder locks and unlocks the outside trim, such as thumb piece, knob or lever.  Outside cylinder functions as an NL when inside cylinder locks the outside trim.Double cylinder fe...
The rim cylinder with thumbturn, XB11-979 (Figure 1) was designed to be installed on the inside head of the Von Duprin 98/99–2 double cylinder exit devices, see Figure 1. The rim cylinder with...
As of August 3rd, 2011 this is no longer an option.