KN Crowder W-20P x 17’2” Heavy Duty Jamb Seal WeatherstrippingW 20P x 17'2'' Anodized extruded aluminum with heavy duty pile insert Provides uninterrupted perimeter seal around doors. No notching for hardware necessary mount alarm contacts, closer arm brackets and panic strikes directly to the jamb seal 172 set includes 2 pieces @ 84 3 4; 1 piece @ 38 Housing width: 1 1 2 Overall width including insert: 1 3 4 Projection: 5 16 Supplied pre drilled Furnished with # 8 x 1 pan head tek screws (Robertson drive)