7 Pc. 3/8" Drive Pinless Universal Impact Socket Extension Set X-Core™ pinless joint design for increased strength and durability. 30° maximum operating flex angle. Smooth 360° rotation for easier access. Off-corner loading design reduces fastener rounding. Chrome molybdenum alloy steel (Cr-Mo) for exceptional strength and durability. Black oxide finish to resist corrosion. 6-point socket with a 9 overall length for even more access. High-visibility etched markings provide quick size identification. Meets or exceeds ASME specifications. Includes socket rail for storage and organization. Sizes included: 8mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm 84980