Toledo Valve Spring Compressor Tool Gm D 71663 DM550 Teng Digital Multimeter DDC003 DM550 Teng Digital Multimeter Ideal for automotive or industrial maintenance Extra large digital display with 16mm digits Fold out stand for easier use Use to measure voltage in DC or AC and DC currentIncludes a diode and continuity tester Measure temperature with the temperature probe Supplied with test leads Uses 2 AAA batteries (supplied) CAT I 600 volts CAT II 300 volts IEC61010 Depth: 77mm Height: 134mm Lenght: 47mm Weight: 284g High tensile bolt M5 M12 mounting rod and nuts & washes Suits most GM V8 LS model engines Manufactured from heavy duty steel retainers and collets Simple design facilitates easy usage in vehicles where other tools are incapable of reaching the tight spaces Includes valve spring compressor plate