A good socket set (purchased as individual parts or a matched set) is the core of any good toolkit.

DURATECH Ratchet Handle, 3/8” Square Drive, Reversible Ratchet 90-Teeth, Made of Chrome Vanadium Steel, Small Actuation Angle 4° for Tight Installation Spaces
5.0

Draper Reversible Soft Grip Ratchet | 3/8" Square Drive 72 Tooth | Torque Socket Wrench | 26724, Blue
5.0

Eclipse Professional Tools EMRH38 ⅜ All Metal Square Drive Ratchet Handles - Chrome Vanadium Steel, 72 Teeth, Quick Release, Durable for Tightening &...
5.0
Use to...
• Undo nuts.
• Undo bolts.
• Hold a shaft still.
Buying Tips
• Some have a 1/4" bit drive too.
• Look for 72 points or higher.
• Padded handles are good.
• Gimballed heads are useful.
Safety Tips
Always wear eye protection.
Consider impact protecting gloves.