Allows for easy assembly and disassembly of fixtures or equipment Size: 1/4 inch-20 | Features two easy to grip wings that allow it to be tightened by hand | Used on a bolt of the same diameter or thread size They are great for use on types of equipment where parts may need to be frequently changed out (cymbals on drum kits for example). Buy VHOB 1/2-13 Stainless Steel Pronged Tee Nuts (Pack of 12) Online at desertcart New Guinea Frequent Adjustment Fastener Nuts Prime-Line #12-24 X 5/8 In. Grade 18-8 Stainless Steel Phillips/Slotted Combination Drive Round Head Machine Screws (25-Pack) 9004937 - The Home Depot Prime-Line Hardware Wing Nuts Great for use in applications where frequent adjustments are needed Prime-Line 9076586 Wing Nuts, Cold-Forged, 1/4 In.-20, Grade 18-8 Stainless Steel (25 Pack) In Machine Screws Features two easy to grip wings that allow it to be tightened by hand Inner Diameter-Thread Size: 1/4 inch-20