' T-Anchor, Toggle, Gravity Activated, Size (In.) 1/4 x 2-1/2, Ultimate Pullout (Lb.) 700, Ultimate Shear (Lb.) 1500, Anchor Dia./Drill Bit Sz. (In.)/TPI 1/4, Max. Work Thickness (In.) 1-3/4, Thread Length (In.) 1.275, Grip Range (In.) 1 - 1-3/4, Meets/Exceeds G.S.A. FF-B-588C, A.N.S.I. A58.1, A.S.T.M. B-633, Includes Body, Nut, Washer, Anchor Length (In.) 2-1/2, Bolt Dia. (In.) / Threads/In. 1/4 - 20, Box Count 4 per pack, Head Style Nut, Hole Dia. (In.) 1/4, Shank Length (In.) 2-1/2 '