• Only stainless steel & recessed

• Allows mail carriers access to building where buildings are not equipped with self-closing, automatically locking street entrance doors.

• Available in three models
1. Loose Key
2. Retractable Reel - 21" (53.3 cm) long chain
3. Electro-mechanical

Dimensions		High	Wide	Deep
Model 173	Overall	6-3/4"	4"	-
		(17.1 cm)	(10.2 cm)	-
	Wall Opening	5"	2-1/2"	2-1/2"
		(12.7 cm)	(6.4 cm)	(6.4 cm)