The Tomahawk Model SPT50 Repeating Trap is used with an E50 - 5" x 5" excluder to create an SP50 Squirrel Pack. These repeating traps slide over excluders / one way doors and have one recessed trap door in front and an easy release rear door on the back. This trap measures 36L x 5.5W x 5.5H" and is constructed of 1/2" x 1" - 14 gauge wire mesh.