1/8", 3/16", 1/4", 5/16", 3/8". Made of tool steel. Punch section centerless ground. Handles black oxide for rust prevention. Knurled body for better grip. Hardened both ends, Rc 45 to 52. 8" length, drive pin section 3-1/2" long. Set supplied in fitted pouch with clear size markings. - 5 pc PEC Long Pin Punch Set///brand_for_product_detail=Products Engineering,close_out=No,companydescription=Products Engineering - Made in India,condition=New,condition_google=new,cost=19.960000,countrymade=Made in India,featured=0,identifier_exists=0,instock=in stock,manufacture_country=India,product_image_size=Default,product_page_type=Default,shopping_ad_bestseller=No,smart_campaign_bestsellers=Rest of Smart Campaign Products,square_product_image=https://square-production.s3.amazonaws.com/files/b8b8dd7f5737145344db2756cc29b5fab91f18dd/original.jpeg,square_updated_at=0,sw_featured=No,url_path=5-pc-pec-long-pin-punch-set