It can handle a range of measurement tasks
during experiments and when the glassware is not in use
2inch * 12
"name":"Magnetic Compass 50mm pack of 2"
Focusing System: Co-axial Focusing System with Three Planetary Gears Assembly works on ball bearing Mechanism
Hand-Operated Hole Puncher Glass Hand-Held Sharpener Household Tool, Hand-Operated Hole Puncher Option:Hand-Operated Hole Puncher It can handle a range1. The thickening is firm and stable, and the operation is simple 2. Convenient to use, hand drilling, no electricity required 3. Multifunctional design of roller cutting, hole opening and grinding, easy to use 4. Material: alloy steel 5. Purpose: cutting glass, punching holes, sharpening knives, sharpening scissors, etc. 6. Scope of application: fiberglass board, plastic board, stone, wood, iron sheet, aluminum 7. Size: about 26x14 cm 8. Weight: