The Astro Pneumatic 78320 is a 20-piece 3/8" drive Nano impact bit socket set designed for professional technicians requiring compact, high-torque fastener access in tight spaces. The set covers three critical bit socket types - Triple Square, Torx, and Metric Hex - making it a comprehensive solution for automotive and industrial applications. Every socket in the set is impact-rated for use with pneumatic and electric impact tools, ensuring durability under heavy-duty conditions. Backed by Astro Pneumatic's lifetime warranty, this set is built to deliver long-term performance in demanding work environments.
Features
20 impact-rated stubby bit sockets in Triple Square, Torx, and Metric Hex configurations
All sockets feature a 17mm outside hex for low-profile side access or use with Astro Nano wrenches
Astro "V12" style magnetic socket storage rail with 1/8-turn locking socket retention for secure organization
Compact 0.88" (22.5mm) socket height ideal for restricted access areas
Lifetime warranty guaranteed
Specifications
Drive Size: 3/8 in.
Outside Hex Size: 17mm
Socket Height: 0.88 in. (22.5mm)
Bit Socket Types: Triple Square, Torx, Metric Hex
Drive Rating: Impact-rated
Piece Count: 20
Storage: Magnetic V12-style socket rail with 1/8-turn locking retention
Warranty: Lifetime
Includes
20 3/8 in. Drive Nano Impact Bit Sockets (Triple Square, Torx, and Metric Hex)
1 Astro V12-Style Magnetic Socket Storage Rail
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