Article no- RCWKMM2 Size M2 x 0.4 Contents High Speed Steel Screw Thread Tap M2 x 0.4 - 1pcs, HSS Twist Drill 2.1mm - 1pcs, Insert Installation Tools No. 2 - 1pcs, Break-Off Tang No. 2 - 1 pcs, Stainless Steel Helical Insert M2 x 0.4 - 25pcs. Size M2.5 x 0.45 Contents High Speed Steel Screw Thread Tap M2.5 x 0.45 - 1pcs, HSS Twist Drill 2.6mm - 1pcs, Insert Installation Tools No. 3 - 1pcs, Break-Off Tang No. 3 - 1 pcs, Stainless Steel Helical Insert M2 x 0.4 - 25pcs. Size M3 x 0.5 Contents High Speed Steel Screw Thread Tap M3 x 0.5 - 1pcs, HSS Twist Drill 3.2mm - 1pcs, Insert Installation Tools No. 4 - 1pcs, Break-Off Tang No. 4 -1 pcs, Stainless Steel Helical Insert M3 x 0.5 - 25pcs.