WorldPac (Pack of 4) Heavy Duty E Track 2" Finger Square J Hook Fitting - 3/8" Thickness Finger J Hook Fitting Enclosed Trailer Cargo Management Heavy Duty - 3/8" Thickness Solid Steel Construction Work with Stardard E or A Track Spring fitting for fast and secure locking Inner Dimensions: 2" Wide x 2.5" Height Zinc Plated for Weather Protection - Store rope, straps, wire, or as a hanger