PEC Tools 300 mm Metric Black Chrome,"high-Contrast" Machinist Ruler with Markings .5 mm, mm Both Sides electronics3 Material: flannelfabric Good bonding strength

Material: flannelfabric Good bonding strength

and the black wire is connected to the negative pole of the power supply

Black (VZ01176)

The smooth surface is ideal for keeping your laptop cool while you battle through any project

PEC Tools 300 mm Metric Black Chrome,"high-Contrast" Machinist Ruler with Markings .5 mm, mm Both Sides electronics3 Material: flannelfabric Good bonding strengthPEC Tools 300 mm Metric Black Chrome,"high Contrast" Machinist Ruler with Markings . 5 mm, mm Both Sides This precision 300 mm metric rigid ruler is made in the USA by Products Engineering Company (PEC Tools), a premier tool manufacturer. Rule is made from spring tempered and hardened steel and is 1. 00 wide by . 036 thick. It has a high contrast black chrome finish that provides better rust resistance than polished steel and can be easily read in