Twenty (20) 1/4-20 x 1-1/2″ Long Knurled Oxygen Tank Thumb Screws, 20/Pack Twenty (20) 1/4-20 Thread x 1-1/2 inch Long Length thread thumbscrews. 1 Inch Plastic Knurled Head 1-1/2 Inch Long Thread 1/4-20 Threaded Alloy Screw Sold 20 Per Pack Also See 72-0245 Made in USA
