21mm wooden laboratory

Description: 21mm Wooden Laboratory Test Tube Rack 10 Holes Specification: Material: Wood Size: 10 holes Aperture: 2.1cm/0.82inch Length: 35.5cm/13.97inch Height: 8.5cm/3.34inch Color: as shown in the picture Features: 1.Test tube rack, is the most basic chemistry experiment instrument. 2.Make of wood material,durable and solid,easy to use. 3.The tubes can be placed in a test tube rack, an experiment to observe the phenomenon. 4.It can also be used as containers for the pen,and used for placing cutlery spoon. Package Included: 1× Test Tube Rack More Details:

Buy 21mm Wooden Laboratory Test Tube Rack 10 Holes for R450.00

Buy Miscellaneous Laboratory Items - Wooden Applicator Sticks for R90.63

Features:    20000counts is a 4 1/2 digital instrument, is a high precision, stable performance, battery-driven high reliability and high accuracy automatic digital multimeter. The instrument has a 21mm character height super big LED screen and it can be read the value clearly and has a function of keeping pea k value,it also can be used to measure DC voltage and AC voltage, DC current and AC current, resistances, capacitors, diodes, temperature, on and off, electric field induction testing, frequency and other parameters.The whole machine use double integral A / D conversion for core, is a superior performance instrument, is the laboratory, factories, radio enthusiasts and the ideal home tools. Function:   DC Voltage AC Voltage A/DC Current  uA A/DC Current 10A Resistors,diodes,on and off Capacitors C Frequency f Temperature °C/°F Auto-off Back light display Unit symbol display RMS value testing Electric field testing   Specification:   1. Display: LCD display; 2. Maximum display: 20000 (41/2) bit automatic polarity display; 3. Measurement method: double integral A / D conversion; 4. Sampling rate: about 3 times per second; 5. Overrange display: the highest bit was "OL"; 6. Low voltage display:  “   aeProduct.getSubject()   ” symbol appears; 7. Working environment: (0 ~ 40) ?? relative humidity 8. Power: 9V (NEDA1604 / 6F22); 9. Volume (size): 184 *90 *46mm (length,width and height);   Package includes:    1 x 282 20000counts Digital Multimeter 1 x certificate 1 x box 1 x test pencil 1 x K-type thermocouple TP01   Details pictures:   

SELECTED OPTION: SIZE: 48MM CLICK HERE for more options in this item. Description: 1pc 15-90mm Forstner Drill Bits Wood Working Boring Hard Alloy Hole Saw Cutter   Specifications: Material: Hard Alloy Color: Blue&Silver Blue Head Diameter: 15-90mm/0.59-3.54" 15mm/0.59", 16mm/0.23", 17mm/0.67", 18mm/0.71", 19mm/0.75", 20mm/0.79", 21mm/0.83", 22mm/0.87", 23mm/0.91", 24mm/0.94", 25mm/0.98", 26mm/1.0", 28mm/1.1", 30mm/1.18", 32mm/1.26", 35mm/1.38", 38mm/1.50", 40mm/1.57", 42mm/1.65", 45mm/1.77", 48mm/1.89", 50mm/1.97", 53mm/2.09", 55mm/2.17", 60mm/2.36", 65mm/2.56", 70mm/2.76", 75mm/2.95", 80mm/3.15", 85mm/3.35", 90mm/3.54"   Type Size Shanks Diameter approx. 6mm/0.24"(15-24mm) approx. 6-7mm/0.24-0.28"(25-45mm) approx. 7-8mm/0.28-0.31"(48-90mm) Shank length approx. 60mm/2.36" (15-45mm) approx. 65mm/2.56" (48-90mm) Total length approx. 75mm/2.95" (15-45mm) approx. 80mm/3.15" (48-90mm) Quantity:1pc (It only includes a cutter in the size you choose, please make sure before you check out.)   Features: - Made from high quality alloy blade, more sharp, more durable. - Curve head design, chip removal, perforation is more efficient. - Sharp edge,high hardness and accurate positioning. - Smooth cutting,impact resistance and high toughness. - Can be used for wooden perforation, installation of spherical door tips, drawer tips, plastic products, wood, plywood, etc. - Suitable for hand held electric drill,stand motor-driven drilling machine, impact drill,and mobile ribbon type magnetism drilling machine.   Packaged included: 1 x Forstner Drill Bit Wood Hole Saw   Notice:  1.Please allow a bit error due to manual measurement. please make sure you do not mind before you bid. 2.The color may have different as the difference display, pls understand.   More Details: