ASTA 428600 is a reduction adaptor female square 1" socket with 3/4" male drive. Made of hardened and tempered Chrome Vanadium (Cr-V) steel with matt stain finish. Drive with sprung ball for socket retention.

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We also stock different drive size adaptors, please follow manufacturer part number in our store.

ASTA 422300 female drive 1/4" - male drive 3/8"

ASTA 423200 female drive 3/8" - male drive 1/4"

ASTA 423400 female drive 3/8" - male drive 1/2"

ASTA 4243001 female drive 1/2" - male drive 3/8"

ASTA 424600 female drive 1/2" - male drive 3/4"

ASTA 426400 female drive 3/4" - male drive 1/2"

ASTA 4268001 female drive 3/4" - male drive 1"

ASTA 428600 female drive 1" - male drive 3/4"