Products include: you will get 5 Pieces M8x40mm hand knob tightening screw, these replacement knob can meet your daily life needs, you can also share them with your friends.
High-Quality Material:Our screw head is made of plastic, the stud is made of high quality steel, the surface is galvanized, the whole is smooth and not thorny, high hardness, durable and strong, it can be used for a long time.
Size:the M8 x 40mm thread clamping knob thread Length : 40mm/1.57inch ;Thread Diameter : M8(8mm)/0.31inch, Head Size : 38 x 38 x 20mm / 1.49" x 1.49" x 0.78" (LWT), please check the size before purchase.
Easy to Use:these umbrella base screw knob are easy to replace,and no extra tool required; This product is to be used with M8 thread or 8.5-10MM/ 0.35-0.4in diameter hole
Wide Application:These M8 threaded knob is easy to install and remove, just manually rotate to install, they are widely used in machinery and industrial equipment, furniture decoration, patio umbrella stand screw knob replacement, it is an ideal replacement accessory in your daily life.