Used as a base for staking, riveting, and drilling small parts. This value line hexagon shaped mini riveting anvil is made from case hardened steel ground flat and smooth. Has 15 holes, laid out in a lined grid, graduated from 3/64" to 1/4", and 5 milled slots. Measures 1-3/4" (45mm) across the flats and approximately 3/4" thick (20mm), weighs 0.30 lb. Made in India.