Northern Tool + Equipment has the 3-Piece Klutch Impact Grade Socket Adapter Set (1/4", 3/8" & 1/2" adapters; Chrome Vanadium) on sale for $3.50. Shipping is free, lower 48 states only. Overall rating of 4.9 / 5 stars.
Features:
Features:
- For driving impact grade sockets
- Hardened alloy steel body for increased durability
- Heat-treated chrome vanadium steel
- Black corrosion-resistant finish
- Perfectly fits all standard drill chucks
- 1/4" hexagonal shank
- Includes adapters for 1/4", 3/8" and 1/2" drive sockets
- Fits 1/4" screwdriver bit holders
- Compatible with Quick Connect system
- Adapts any power drive sockets