Intercable specifies the following dimensions for ICR4V: d1 = 3 mm

For technical details and manufacturer information: See datasheet from the manufacturer

Connection thread: Metric M8 (stated in product listing)

l (length): 25 mm

The dimensions specified for ICR1610 include d1

Topnøgleskruetrækker ESD 5,5x60mm Unit(s):Pcs Intercable specifies the following dimensionsProduct Description This ESD safe nutdriver from WERA, the 1569 ESD Kraftform Micro nutdriver, is designed for hexagon head screws and provides ESD protection via a conductive surface material with a specified surface resistance of 10^9 ohms. The 1569 ESD Kraftform Micro nutdriver features a multi component Kraftform Micro handle with a rotating cap, a quick turn zone, a precision zone, and a power zone for efficient torque transfer during insertion