Hand Tool Tool Type Double Lever Hand Tool Compatible Thread Size 1/2 In.-13 1/4 In.-20 3/8 In.-16 5/16 In.-18 Compatible Rivet Nut Material Steel Mandrel Sizes Included 1/2 In.-13 1/4 In.-20 3/8 In.-16 5/16 In.-18 Material Steel Overall Length 20 1/2 in System of Measurement Inch Compatible Insert Type Rivet Nuts Includes 1/2 In.-13 Insert 1/4 In.-20 Insert 3/8 In.-16 Insert 5/16 In.-18 Insert Power Source Manual