LDO-42STH48-2504AH(S55) Filament Inspector Low temp materials (under 300°C):

Low temp materials (under 300°C):  When you’re extruding below 300ºC

which will help it release

this filament-spring is “softer” due to its much increased-length

This design significantly minimizes back pressure

Interchangeability between different variants of Reprap V6 nozzles ensures that 2500HV Abrasion-Resistant DLC coating provides a thermally efficient solution to abrasive filaments while improving the thermal conductivity to the filament path and melt zones

LDO-42STH48-2504AH(S55) Filament Inspector Low temp materials (under 300°C):NEMA 17. 1. 8 Step Angle. 200 Steps Per Revolution. 2. 5 Amp 55N cm Holding Torque. 48mm Body. 55mm Output Shaft (5mm diameter)