Please ensure the nut's size matches your plastic parts effectively
NOTE:In order to verify that the knob is correctly switched to “LOW’ position
DUAL WATER-PROOF AND PRESSURE SENSITIVE FSR SENSOR--Waterproof and pressure sensitive dual function
Small Size fits for 5
115 lumens with 5 lighting modes
Fixation Stick Vision Tester, Coating Thicken, Clear Colorful Animal Patterns, Kids Vision Optometry Test Card, 2 Sizes(#1) #1 home2022 Please ensure the nut's sizeFixation Stick Vision Tester, Coating Thicken, Clear Colorful Animal Patterns, Kids Vision Optometry Test Card, 2 Sizes(#1) Product Features The fixation stick vision tester uses clear patterns and colors, which are highly recognizable and can be used to measure visual . The inspection vision tester is designed with colorful animals that children are interested in, the patterns are printed clearly, the colors are , and it is more convenient to use.