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Sizes added to adjustable wrench series

A LoggerHead Tools product story
Edited by the Engineeringtalk editorial team Feb 27, 2006

Six steel jaws simultaneously converge on the sides of a nut or bolt when the cushioned, ergonomic handle is squeezed, to give wrench a more even grip on nuts and bolts.

Loggerhead Tools has announced 15.24 and 25.4cm versions of its Bionic Wrench, a hand tool that teams the versatility of an adjustable wrench with the simplicity of pliers.

The latest versions are based on the 20.32cm Bionic Wrench, launched in May 2005.

Since its introduction, the wrench has won two international product design awards and the Editor's Choice Award from Popular Mechanics.

With the squeeze of a hand, the wrench automatically sizes and grips a wide range of imperial and metric-sized nuts and bolts, distributing equal force on all sides of a fastener.

The 15.24cm wrench fits 14 fastener sizes; the 20.32cm version fits 16 fastener sizes; and the 25.4cm version fits 18 fastener sizes.

Altogether, the Bionic Wrench family replaces 38 SAE and metric wrench sizes from 7 to 30mm.

It is different than traditional wrenches or pliers because it actively distributes force on all sides of a nut or bolt instead of the corners.

Six steel jaws simultaneously converge on the sides of a nut or bolt when the cushioned, ergonomic handle is squeezed.

This means it will not slip or round off nuts or bolts.

In fact, it can often remove fasteners damaged by other wrenches.

It eliminates the need to find the exact wrench size.

The wrench is small, portable and lightweight - the 15.24 and 20.32cm sizes weigh less than 0.45kg each and the 25.4cm size weighs 0.7kg.

The design requires no locks, knobs or adjustments.

It can be used with either hand in almost any orientation, and can be used on softer materials that traditional wrenches often damage, such as plastic, copper and aluminium.

It received the IF Product Design Award 2006, presented by the International Design Forum in Hannover, Germany.

The wrench also received a 2005 Good Design award from the Chicago Athenaeum: Museum of Architecture and Design.

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