Description Are you looking for a professional and practical window frame surround knob? Our products will be your good choice. Made of excellent craftsmanship and safe materials, it has excellent durability and practicality. Reasonable design makes it easy to install and use, bringing you more convenience. Features -Color: Black. -Material:Stainless steel, nylon. -Size: About9.25X4.50X4.50cm/3.64X1.77X1.77in. - This replacement knob is specially designed to make the function the same as the original window frame knob. -Special design, fine workmanship. It is the best replacement for your old, broken window frame surround knob. -Fine workmanship, excellent texture, reasonable structure, high adaptability, and can be well applied to soft-top window frame. -Perfect replacement. The pin knob is made of stainless steel and nylon, no rust in long-term use. -Compared with the original knob, the pin knob has less grooves for better grip, sturdy to use. Packing list2 x Window Frame Long Knobs