Ck xonicesd screwdriver hexagon ck tools t4838xesd20 ergonomically designed handle with hollow rotating cap for ease of use and precise control electro statically dissipative to protect sensitive electronic components blade manufactured from premium quality chrome vanadiummolybdenum steel for strength tip accurately machined for the ultimate screw fit ck tools t4838xesd20 xonicesd sdriver hexagon 20x50mm