Astro Tools 78344M 10pc 3/8-inch Drive Mid-Length Pinless Universal Sockets – Metric

Meet the Astro Tools 78344M: A 10‑Piece, 3/8-inch Drive Pinless Universal Socket Set

From AP Astro Pneumatic Tool Company, this 10‑piece metric socket set is designed for tough work in cramped spaces. The pinless universal heads deliver a full 360-degree range of motion, allowing you to angle and rotate the head without traditional pin limitations. The mid-length profile keeps a compact footprint while offering deeper hex engagement and inner socket depth for fasteners tucked away in tight areas.

Each socket features a six‑point geometry and the set is forged from chrome‑molybdenum (CRO‑MO) steel for lasting durability in busy shop environments. The range includes 10mm through 19mm sizes with overall lengths from 68mm to 80mm, giving you broad compatibility without sacrificing control.

Key design advantages

• 360-degree freedom at the universal head for versatile positioning
• Deeper hex and inner socket depth to improve engagement on stubborn fasteners
• Mid-length form balances reach and maneuverability in confined spaces
• Durable forged CRO-MO construction designed for heavy impact use
• Comprehensive metric coverage from 10mm to 19mm without gaps
• Compact overall lengths (68–80mm) for practical fit in crowded work areas

Real-world scenarios and warranty

Ideal for automotive work in tight engine bays, maintenance on machinery with limited clearance, and field service where reach matters. The set is backed by AP Astro Pneumatic Tool Company’s simple lifetime warranty, underscoring a commitment to reliable performance in demanding tasks.

• Automotive maintenance and repair in cramped spaces
• Machinery service where reach and depth are critical
• Heavy‑duty impact tasks requiring durable, dependable tools