43 Pc. 1/4" Drive Long Multi-Function Ratchet Set Slim Line Head Design – 0.73” wide, 0.49” thick for excellent access. 72 Teeth give a 5°ratchet arc to turn a fastener in tight confines. Gear Design Exceeds ASME torque performance requirements. Enclosed Head Design for extreme resistance to dirt infiltration. Thumb Wheel to start and run down fasteners. Flush Mounted Forward/Reverse lever. Set includes:. Compact Ratchet (81018). Long Ratchet (81019). 4-¼” Drive Extension. 10-¼” Drive Sockets 4mm – 13mm. 30 screwdriver bit inserts in bit box. Vacuum formed storage tray for tool draw 81020