Xcluder® Versa-Line Rodent Proof Door Sweeps are guaranteed to protect homes and buildings against mice, rats. Sturdy, mill-finish aluminum construction provides an economical solution to sealing larger (up to 1 3/4") under door gaps. Standard - Key Features: Seals gaps up to 1 3/4" (45 mm) Retrofit for older doors w/ large gaps Robust 2 5/8" (66 mm) overall height Maximum installation adjustability, 3/4" (19 mm) Includes self-drilling, 1" mounting screws with combo Phillips & Hex head Use and Ease of Installation: Cut to size using common tools Enhanced vertical adjustability for hassle-free installation Easy install screw-on end caps Interior or exterior installation Enhanced Weathersealing: Integrally molded flap Prevents light penetration and drafts Enhanced thermal properties Enhanced protection against flying & crawling bugs Construction: Sturdy aluminum retainer Durable weatherseal with Xcluder Fill Fabric core Includes mounting hardware