Koken 3229 Spark Plug Socket Set 3pc 3 8"Dr Kits & Assortments Description QTY C2370 1 SET SCREW 1 4 Long Description QTY C2370 1 SET SCREW 1 4 x 3 4 UNC 25 C2370 2 SET SCREW 1 4 x 1 UNC 25 C2370 3 BOLT 1 4 x 1 1 2 UNC 20 C2370 4 BOLT 1 4 x 2 UNC 15 C2370 5 SET SCREW 5 16 x 3 4 UNC 20 C2370 6 SET SCREW 5 16 x 1 UNC 20 C2370 7 BOLT 5 16 x 1 1 2 UNC 15 C2370 8 BOLT 5 16 x 2 UNC 10 C2370 9 SET SCREW 3 8 x 1 UNC 15 C2370 10 BOLT 3 8 x 1 1 2 UNC 10 C2370 11 BOLT 3 8 x 2 UNC 10 C2370 12 SET SCREW 7 16 x 1 UNC 10 C2370 13 BOLT 7 16 x 1 1 2 UNC 10 C2370 14 BOLT 7 16 x 2 UNC 5 C2370 15 SET SCREW 1 2 x 1 UNC 8 C2370 16 BOLT 1 2 x 1 1 2 UNC 5 C2370 17 BOLT 1 2 x 2 UNC 5 C2370 18 NUT 1 4 UNC 50 C2370 19 NUT 5 16 UNC 50 C2370 20 NUT 3 8 UNC 25 C2370 21 NUT 7 16 UNC 25 C2370 22 NUT 1 2 UNC 15 COUNTERSINKS CROSS HOLE HIGH SPEED STEEL Size min max: 10 15mm Angle: 90° Shank Diameter: 10mm Most Dependable 3 8"Dr x 16 20