See my Ebay store and other listings for more carbide inserts. Tungaloy TPMR 222-23 NS9530, 6998628 *** 5 INSERTS ***, Cermet Indexable Turning Insert, 1/4" Circle Diameter x 1/8" Thickness x 0.031" Radius. Retail $7.80 , TPMR110308-23 NS9530