The hole in each blade tip is explicitly mentioned as a feature for compatibility with security-pin TORX screws

Overall Length: 255 mm (10 in)

polyethylene

dissipates kinetic energy from peak torques into the torsion zone

Verified source: Intercable Tools product overview for "Rohrkabelschuhe F-Serie" (ICF2510)

RTM 010 S MS RT Micro Soldering tip, chisel Ø 1.0 x 0.3 mm, MIL-SPEC MIL393101111 The hole in each bladeWELLER RTM 010 S MS Soldering Tip (RT Micro) This WELLER soldering tip, model RTM 010 S MS, is an RT Micro active soldering tip with a chisel shape and dimensions 1. 0 x 0. 3 mm. The product is specified as MILSPEC (MS) and ESD safe. The RTM 010 S MS is designed for precision soldering of micro and standard components and is part of the RT Micro MS active soldering tips family. Technical Overview Tip name: RTM 010 S MS Shape: Chisel Dimensions: 1. 0 x