Metric Blue Hex Keys | McMaster-Carr

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1 3/4" to 4 3/4"

1 7/8" to 6 7/8"

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3 1/8" to 7 1/8"

3 1/8" to 11 3/4"

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43 Products

L-Keys

Color-Coded Easy-Align Ball-Tip L-Key Sets

Color-Coded Easy-Align Ball-Tip L-Key Sets

Take the guesswork out of picking the right drive size

Easy-Align Ball-Tip L-Key Sets

Easy-Align Ball-Tip L-Key Sets

Turn screws at an angle when you can't access them head on

L-Key Sets

Keep a selection of top-quality L-keys on hand, so you always have the size you need

L-Keys

Precision manufactured L-keys for tightening and loosening screws

Fold-Up L-Key Sets

Fold-Up L-Key Sets

Tuck into the handle like a Swiss army knife for easy carrying

Color-Coded Easy-Align Ball-Tip L-Keys

Color-Coded Easy-Align Ball-Tip L-Keys

Take the guesswork out of picking the right drive size

Other Products

Sockets

Turn fasteners with an external drive style without slipping and damaging the drive

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)