this kit includes an assortment of _" set screws with the following sizes: Quantity 6 - _ X _ set screw .75 Grams Quantity 6 - _ X 3/8 set screw 1.34 Grams Quantity 3 - _ X 1/2 set screw 1.93 Grams Quantity 3 - _ X 5/8 set screw 2.53 Grams Quantity 3 - _ X 3/4 set screw 3.15 Grams Quantity 3 - _ X 1"� set screw 4.15 Grams