Features: <br>100% brand new and high quality. <br>Made of zinc plated carbon steel, these thumb screws are sturdy and durable. <br>Thumb screws with flat knurled head can provide extra grip for manual tightening. <br>Thumb screws are designed to be tightened and loosened by hand,easier to drive manually. <br>Widely used for electric appliance, tools, cars where screws need to be tighten and loosen frequently. <br> <br> <br>Specification: <br>Material: Zinc plated carbon steel <br>Size(D*L, diameter*length; Optional): <br>M8*10 D=8mm L=10mm <br>M8*12 D=8mm L=12mm <br>M8*14 D=8mm L=14mm <br>M8*16 D=8mm L=16mm <br>M8*18 D=8mm L=18mm <br>M8*20 D=8mm L=20mm <br>M8*25 D=8mm L=25mm <br>M8*30 D=8mm L=30mm <br>M8*35 D=8mm L=35mm <br>M8*40 D=8mm L=40mm <br>M8*45 D=8mm L=45mm <br>M8*50 D=8mm L=50mm <br>Quantity: 10pcs <br> <br>Weight: 260g~394g / 9.2oz~13.9oz (approx.) <br> <br> <br>Package list: <br>1 set * Screws<br>1、100% brand new and high quality. <br>2、Made of zinc plated carbon steel, these thumb screws are sturdy and durable. <br>3、Thumb screws with flat knurled head can provide extra grip for manual tightening. <br>4、Thumb screws are designed to be tightened and loosened by hand,easier to drive manually. <br>5、Widely used for electric appliance, tools, cars where screws need to be tighten and loosen frequently.