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Snap-on 521IM | Flank Drive Shallow Impact Socket Set | 21 pc, 1 in Drive, 3/4 to 2 in
Part Number : 521IM
This 21 pc 1 in drive set holds 6-point SAE Flank Drive shallow impact sockets from 3/4 to 2 in. Each socket is an SAE size, so the range is measured in fractions of an inch.
Key features
- 21 sockets covering 3/4 to 2 in
- Pattern: shallow impact sockets, 6-point, SAE sizes
- Impact-rated heat treatment: lower hardness than a hand socket, suited to repeated cycling loads from impact wrenches
- Special alloy socket steel from a domestic blend is used for strength and service life
- Uses the Flank Drive design for up to 20% more turning power without slip or rounding, per Snap-on
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