• Sockets manufactured from Chrome Vanadium steel.• Permits the removal of the top suspension nut by holding the strut piston, so it doesn’t rotate while turning the nut.• The go-through design of the socket and ratchet allows the extension to pass through the middle.• To be used in conjunction with a 1/2"Sq Drive ratchet or T-bar (not included).• Sizes: Go-Through Sockets Standard & Deep; 16, 17, 18, 19, 21, 22mm, 8mm Hex Bits; Hex - 5, 6, 7, 8mm, Spline - M10, TRX-Star* - T50, Shock Absorber Strut Sockets (x4), 3/8"Sq Drive Extension Bars; 90, 190mm.Sockets manufactured from Chrome Vanadium steel. Permits the removal of the top suspension nut by holding the strut piston, so it doesn’t rotate while turning the nut. The go-through design of the socket and ratchet allows the extension to pass through the middle. To be used in conjunction with a 1/2"Sq Drive ratchet or T-bar (not included).• Sockets manufactured from Chrome Vanadium steel. • Permits the removal of the top suspension nut