Offset extension wrench on a dark workbench

Offset extension · 3/8" drive

For the bolt you can see but can't reach.

A flat, chain-driven bar that slips past hoses and brackets and turns the bolt for you. Your ratchet stays up top, where there's room to work.

Shop the wrench From £75.00
0° Swing room needed at the bolt
360° Tightens and loosens
3/8" Fits your ratchet
4 Socket adapters included
Offset extension reaching a bolt behind hoses in an engine bayRatchet up top. Bolt down there.

Why that bolt beats you

Your ratchet needs room to swing. That bolt hasn't got any.

A ratchet has to move a few degrees to catch the next tooth. Tucked behind a bracket or under a manifold, it can't. So you stack extensions, try a wobble bar, take the skin off a knuckle, and leave it for another weekend.

This works a different way. A chain inside the bar carries the turn from your ratchet down to the socket. The bar slides in flat past the obstruction. Your ratchet works up top in clear space, and nothing at the bolt end has to swing at all.

0°
Swing needed at the bolt
360°
Tighten or loosen
1
Tool instead of a drawer of extensions

Take a closer look

See the reach. Understand the motion.

Original photo motion studies and an illustrated mechanism guide

Watch the mechanism schematic
1HAND RATCHET2 · CHAIN TRANSFER3 · BOLT TURNSIllustrative cutaway · hand tools only