40-4040-LITE IS A 40MM X 40MM LITE METRIC 40 SERIES SQUARE T-SLOT PROFILE WITH FOUR OPEN T-SLOTS, ONE ON EACH 40MM FACE. THE PROFILE IS SMOOTH, WHICH MAKES IT RESISTANT TO DIRT AND DEBRIS BUILDUP WHILE ALSO BEING EASY TO CLEAN. THE 40-4040-LITE PROFILE IS COMPATIBLE WITH ALL 40 SERIES FASTENERS. THIS PROFILE LENDS ITSELF TO MACHINE GUARDS, ENCLOSURES, WORK BENCHES, OR DISPLAYS. THE FOUR OPEN T-SLOTS ENABLE ACCESS FROM ANY DIRECTION AND ARE USEFUL FOR MOUNTING ACCESSORIES.,