Low profile spring loaded sockets with dual drive system for extreme versatility. Set includes Magrail with Lift Ring. Dual drive for extra versatility and lower profile. 1/4" Square Drive 11mm outer hex for use with 11mm wrenches Sizes: 5.5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, and 14mm