Nozzle Replacement Tool for MK10 M7 3D Printer Change Tool Screw Driver Spanner Wrench Sleeve

No more burnt fingers for you! This is a must have tool for changing print nozzles. Having the right tools makes all the difference in the world! HOW TO REPLACEMENT NOZZLE Step 1:Turn on 3D Printer, set nozzle temperature to target (PLA: 180-220, ABS: 240-280). Step 2:After heat done, use SPANNER to hold heat block, use Socket screwdriver to screw old nozzle out. old nozzle will be very hot, don't touch by hands!!! Step 3:Put new nozzle to this socket screwdriver, spanner keep to hold heat block, screw nozzle in, must be tight and it is done. Notice: NOZZLE and Heat Block on 3D printer need heat before take out, don't touch it by hands when printer is heading or close less than 10 mins. Package include: 21mm Wrench * 1pc 9mm Sleeve* 1pc 2 in 1 Screw Driver * 1pc Screw Handle * 1pc