This is a 200 piece HEX HEAD DRILL SCREW ASSORTMENT. Contains 8 popular sizes. CONTENTS: #8 X 3/4"" - 30 PCS #8 X 1"" - 30 PCS #8 X 1/2"" - 30 PCS #10 X 1/2"" - 20 PCS #8 X 5/8"" - 30 PCS #10 X 5/8"" - 20 PCS #10 X 3/4"" - 20 PCS #10 X 1"" - 20 PCS Convenient re-sealable plastic organizer/case