Universal Double-Ended Wrench — Self-Tightening 3-17mm, Fits Any Nut or Bolt, Pocket Size

One wrench. Every size. No more hunting through your toolbox.

The Universal Double-Ended Wrench self-tightens to grip any nut or bolt from 3mm to 17mm — no adjusting, no slipping. Double-headed design tackles two size ranges in one compact 15cm black steel tool that fits in any pocket or toolbag.

What's Included:

• 1× Universal double-ended self-tightening wrench (black)

Key Specs:

• Size range: 3–8mm (one end) / 9–17mm (other end)
• Total length: 15cm / 5.91 inch
• Material: Hardened alloy steel
• Color: Black
• Design: Double-headed, self-tightening serrated jaws
• Compatible with: Hex nuts, bolts, screws — metric sizes

Why You'll Love It:

✔ Self-Tightening Grip — serrated jaws automatically lock onto any nut or bolt as you turn, no slipping or rounding

✔ Two Tools in One — 3–8mm on one end, 9–17mm on the other, covers virtually every common fastener size

✔ Pocket-Ready Size — at just 15cm long it slips into any pocket, toolbag, glove box or backpack

✔ Hardened Steel — built to handle serious torque without bending or wearing down

✔ No Adjusting Needed — just place it on the bolt and turn — it grips automatically

Perfect for: home repairs, automotive, bicycle maintenance, furniture assembly, plumbing, camping, emergency toolkit.