7 PCS/Set Brass 0.5-3mm Small Electric Drill Bit Collet Micro Twist 5.05mm Drill Chuck Set with Wrench, 5.05mm Tripods & Monopods The filters enable the user

The filters enable the user to perform tests from 400 to 680 nm

The setup provides the facility to conduct the experiment of cooling of air by temperature measurements

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you can feel comfortable to buy and use

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7 PCS/Set Brass 0.5-3mm Small Electric Drill Bit Collet Micro Twist 5.05mm Drill Chuck Set with Wrench, 5.05mm Tripods & Monopods The filters enable the user1. Material: Brass 2. 0. 5 3. 0mm drill collet 3. Excellent workmanship 4. Ideal for combined use with a hand drill or electric drill,to drill ABS,wood board,presspaper,etc. 5. Package include: 1x drill chuck, 5x drill collet, 1x drill chuck keys Specification: General Material Brass Package Weight One Package Weight 0. 06kgs 0. 13lb One Package Size 10cm * 5cm * 2cm 3. 94inch * 1. 97inch * 0. 79inch Qty per Carton 100 Carton Weight 6. 00kgs 13. 23lb