20piece Hex Head Allen Wrench Drill Bit Set Metric And Sae S2 Steel Hex Bits Set
S2 Material Forging：The drill bit is made of high quality S2 alloy steel ,with sturdy hardened & tempered construction. The order will be processed and completed by automatic warehouse system within 5 minutes.
Hex Key Allen Bit Set Quick Change Connect Impact Driver Power Drill Metric Long
S2 Material Forging：The drill bit is made of high quality S2 alloy steel ,with sturdy hardened & tempered construction.