3-in-1 Portable Carbon Monoxide Detector, Professional Accurate Rechargeable Travel CO Detector with Loud Alarm

1 set for 16 Blades Feeler Gauge 0.05 to 1mm Thickness Curved Stainless Steel Gap Metric Filler Feeler Gauge

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Ecowitt WH40 Rain Gauge Sensor Wireless Self-Emptying Rain Collector Outdoor Rain Sensor for Home Garden Accessories Only

10 in 1 USB Type-C Current Voltage Meter digital display Charger tester DC 4.5-36V 0-8A Ampere-volt meter

Portable Capacitor Discharge Pen High Voltage Fast Discharging Tool Repair Tool Discharger for Electronic Safety Intelligent

1 Pair Universal Probe Test Leads Pin for Digital Multimeter Needle Tip Meter Multi Meter Tester Lead Probe Wire Pen Cable 20A

Oil Thermometer Needle Food Thermometer Instant Reading Meat Temperature Tester with Probe for Kitchen Grilled

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Ecowitt GW2001 Wittboy Weather Station, Includes GW2000 Wi-Fi Gateway and WS90 7-in-1 Outdoor Solar Powered Weather Sensor

D114F450 Paraboloid Reflective Primary Mirror Objective Lens For DIY Newtonian Reflective Astronomical Telescope

D203F1600 Newton Reflector Objective Primary Mirror Secondary Mirror Astronomical Telescope DIY

254mm Telescope Main Mirror Parabolic Primary Mirror High Precision for DIY Newtonian Reflection Astronomical Telescope

Paraboloid Mirror Telescope Main Mirrors Diameter 114-300mm High-AccurAstronomical Newtonian Reflection Primary Reflector

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Parabolic Primary Mirror, D300F3000 High-precision Scientific Research Astronomical Reflecting Telescope Collimator

Customize 254mm Large Size Parabolic Primary Mirror High Precision DIY Newtonian Reflection Astronomical Telescope Main Mirror

Double Colloidal Lens, Multilayer Film, Used for Astronomical Telescope Objectives, Finder Lenses and Collimating Objectives

350mm Big Dia Solar Fresnel Lens Optical PMMA Focal Length 185mm 900mm Solar Concentrator Large Magnifying Glass

Parabolic Mirror Telescope Main Mirrors Diameter150mm F1200mm High-precision Astronomical Newtonian Reflection Primary Reflector

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Parabolic Mirror Telescope Main Mirrors Dia254mm F1000/1200mm High-precision Astronomical Newtonian Reflection Primary Reflector

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Dia114mm F870mm High-precision DIY Astronomical Newtonian Reflection Primary Reflector Mirror 25mm Short Axis Ellipse Lens

DIY Newtonian Reflecting Astronomical Telescope High-precision Spherical Lens Primary Mirror 80mm & Secondary Flat Lens 20mm