40-4002 is a 40mm x 40mm metric 40 series square T-slot profile with two adjacent open T-slots, one on two 40mm faces. The profile is smooth, which makes it resistant to dirt and debris while also easy to clean. The 40-4002 profile is compatible with 40 series fasteners. The two closed faces on this profile provide a clean, aesthetic look and lends itself to furniture, displays, desks, trade show booths, or retail kiosks.