Spin-Pull-Spin Ultra BP-60(8-32in-1/2-13in Mandrels Included)• This rivet nut tool features a SPIN-PULL-SPIN setting sequence.• The BP-60 Rivet Nut tool has a fully adjustable stroke for accurate insert placements, which requires less operator skill.• Comes complete with sizes 8-32 through 1/2-13• "More Power" means this tool uses its huge 6800 lbs. of pulling force to set up to 1/2 (M12) steel rivet nuts with ease.