Bahco S138 138-Piece Socket & Wrench Set – 1/4", 3/8" & 1/2" Drive

The Professional's Complete Socket Solution

The Bahco S138 is one of the most comprehensive socket and wrench sets available - 138 precision-engineered pieces covering every drive size you need, from delicate 1/4" work to heavy-duty 1/2" fasteners. Whether you're a mechanic, engineer, or serious tradesperson, this set is built to handle it all from a single, organised case.

Bahco's Dynamic-Drive™ profile sockets reduce wear on fasteners and lower the risk of rounding - a critical advantage when working on high-value equipment or stubborn fixings. The matte-finish, high-performance alloy steel construction meets ISO 1174 and DIN 3120 standards, so you're buying to a professional benchmark.

What's Included

1/4" Drive

• 12-piece hex socket set: 4–13 mm
• 10-piece deep hex sockets: 4–13 mm
• Reversible ratchet (60 teeth, 150 mm)
• Spinner handle, sliding T-bar, flexible extension bar (150 mm)
• Extension bars: 50 mm & 100 mm
• Universal joint & bit holder

3/8" Drive

• 16-piece hex sockets: 6–22 mm
• Reversible ratchet (60 teeth, 200 mm)
• 3 spark plug sockets: 16 mm, 18 mm, 21 mm
• Universal joint, extension bars: 75 mm & 150 mm
• 8-piece crow foot wrench set: 10–19 mm

1/2" Drive

• 18-piece metric hex sockets: 10–34 mm
• 9-piece imperial hex sockets: 3/8"–1-3/16"
• Reversible ratchet (60 teeth, 250 mm)
• Sliding T-bar with double function adaptor
• Extension bars: 125 mm & 250 mm
• Universal joint

Bits & Wrenches

• 13-piece combination spanners: 7-19 mm
• Pozidriv bits: PZ0–PZ3
• Phillips bits: PH0–PH4
• Flat bits: 4, 5.5, 7 mm
• Insert bits (hex): 3–10 mm
• TORX® bits: T8–T45
• Bits ratchet & bits adaptor
• 3 hexagon L-keys: 1.5, 2, 2.5 mm

Key Features

• Dynamic-Drive™ sockets - reduces fastener wear and rounding risk
• 60-tooth ratchets - 6° arc swing for tight spaces
• Matte finish alloy steel - corrosion resistant and professional grade
• Quick-release button on all ratchets for fast socket changes
• Thin compact combi wrench head - easier access in confined areas
• U-shaped spanner handle - comfortable grip under load
• HDPE carry case - durable, organised, and portable
• Meets ISO 1174 & DIN 3120 standards