Up for sale is a new 10-28 Thumb Screw. The Thumb Screw Is being sold as a new replacement for the Stanley No. 78 Fence Thumb Screw. The Thread Size is 10-28. It measures about 1" long. It is made of W1, water hardening Tool Steel. Also fits some Stanley Spoke Shave Caps and Stanley 45 & 55 Plow Planes. This auction is for 1 Thumb Screw. Please look at all the pictures to help with description. Thank You.