Tightener Shaft, Arm Length to Hole Center Not Applicable, For Shaft Thread Size 3/8 In.-16, Includes Tightener Shaft Not Applicable, Mount Base Length Not Applicable, Mount Base Width Not Applicable, Mount Hole Diameter 3/8 in, Overall Length 2.31 in, Shaft Diameter 0.5 in, Shaft Length 1.5 in, Shaft Thread Size 3/8 In.-16, Thread Length 7/16 in, Adjustment Type Not Applicable, Arm Length to End Not Applicable, Compatible Tightener Shaft Grainger Part Number Not Applicable