Lisle 42300 Nine-Piece Metric Hex Key Set
Lisle 42300 is a nine-piece metric L-shaped hex key set with a listed size range of 1.5 to 10mm. Heat-treated alloy steel and a storage holder are specified. The individual keys engage matching internal hex recesses; this is a metric hex key set rather than a collection of sockets for external hex nuts.
Specifications and included details
- Nine metric L-shaped hex keys.
- Listed size range 1.5 to 10mm; exact intermediate-size list not supplied.
- Heat-treated alloy steel with included storage holder.
Before ordering
Confirm any required intermediate size before ordering. A nine-key range does not establish every size increment, and exact arm lengths or a ball-end feature are not specified here.
Product questions and answers
Are these SAE keys?
No. The set is identified as metric, with a 1.5 to 10mm range.
Does the range prove a particular intermediate size is included?
No. Only the endpoints and nine-key count are established; confirm the exact size if it is essential.
Can I use these around an external hex nut?
They are hex keys for internal recesses, not box-end wrenches or external-nut sockets.
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