75-RTB5 Features: -Router bit set.-Provides nearly limitless options.-0.25" Shanks allow the bits to be used with all routers and laminate trimmers.-5 Router bits come in a wooden case with a latch and labeled places for each bit.-Straight bit: 6mm, 12mm, 16mm diameter.-Cove box bit: 6.35mm radius.-V Grooving bit: 90 Degrees. Construction: -Carbide steel construction. Dimensions: -Dimensions: 6.5" H x 4" W x 2" D. Warranty: -30 Day warranty.