The most essential deburring and scraping tools for electricians. The kit contains 7 multi-purpose tools for deburring and chamfering metal, plastic & copper. Kit contains: Ergonomic handle for standard & heavy duty applications F holder F12 inner countersink for chamfering hole edges up to 12mm (0.47") in diameter MB200 handle E100 replaceable blade E111 blade for deburring thin holes minimum 1.5mm (0.06") in diameter E400 scraper.Vargus