3D Printer Accessory Extruder Strong Spring Use for DIY Wade/Ultimaker/Makerbot
This Printer Die Spring is widely used in the printer punching molds, metal die-casting molds, plastic injection molds and mechanical equipment with rigid structure.
Made of good quality metal in silver tone, features high elasticity and good precision, installed small size and generate strong force
Material: alloy, Nickel plated, better corrosion resistance and surface hardness The wire diameter: 1.2mm/0.47''; Inner diameter: 5mm/0.2" ; Outside diameter 7.5mm/0.3"
Free Length: 20mm/0.8"; Color : Silver Tone