NEW ARKON GPSHDCS HARD SHELL PROTECTIVE GPS CASE FOR 3.5" AND 4.3" GARMIN(R), TOMTOM(R), ETC. (GPS) INNER DIMENSIONS: 5" X 3 3/4" X 1.5". PROTECTS AGAINST BUMPS, DINGS & SCRATCHES. COMPATIBLE WITH GARMIN(R) N. VI(TM) 200, 300, 500, 600, 700 & 800 SERIES. COMPATIBLE WITH TOMTOM(R) ONE 2ND EDITION, 3RD EDITION, ONE XL, ONE XL-S, GO 520, 530, 720, 730, 930, ONE 125, 130, 130-S, 330 & 330-S.