Linker Block Screw Driver For Hexagon M4
This is a screw driver for hexgaon shape bolt with a size of M4. Linker Block set is a Lego compatible Aluminium robot kit. It can be used to build a metal robot or structure of any size, and scales up conviently.
How to buy
Here to buy Linker Block Screw Driver for Hexagon M4 on store