• 1/4 in. Drive - M4, M5, & M6
• 3/8 in. Drive - M8, M9, M10, M12, & M14
• 1/2 in Drive - M16, & M18

Built from durable chrome vanadium S2 steel with a high-quality chrome finish, these precision-machined bits deliver excellent torque and long-lasting performance. Chamfered tips ensure smooth, accurate insertion, while bold, wear-resistant size markings offer quick and easy identification.

JEGS 555-58212 10-Piece XZN Triple Square Spline Bit Sockets Features:

• Made from a strong chrome vanadium S2 steel for great longevity
• Provides excellent torque for a greator turning power
• Precision-machined tips ensure exact sizing, while chamfered ends allow smooth insertion and help prevent damage to both bits and fasteners.
• Bold, die-stamped size markings are easy to read and permanently etched to resist wear over time. 
• High-quality chrome finish