Makita 3/8" Deep Impact Sockets are the perfect accessory for a high torque impact drivers when taking on demanding applications. High strength 6-point drive sockets for extreme torque applications. Chromium-Molybdenum Steel (CR-MO) construction for added durability and long life. Black oxide coated to resist corrosion for longer socket life. Laser etched for easy size identification. Metric Set provided with 6 / 7 / 8 / 10 / 11 / 12 & 13mm - 1/4" Square Drive Impact Sockets and storage boot. Imperial Set provided with 3/16" / 1/4" / 5/16" / 3/8" / 7/16" / 1/2" & 9/16" - 1/4" Square Drive Impact Sockets and storage boot. 2 x 1/4" Hex to 1/4" Square Socket adaptors - 1 x 50mm / 1 x 150mm. Key Features Heat Treated AlloySteel for Xtreme Torque applications Specifications Part Number E-19320 Brand Makita Item Type Socket