Manufactured from high grade heat treated alloy steel. Chemically blackened finish for resistance to corrosion. Square section aids removal of extractor from screws. Supplied in storage tray. * Manufactured from high grade heat treated alloy steel. * Chemically blackened finish for resistance to corrosion. * Square section aids removal of extractor from screws. * Supplied in storage tray. * Lifetime guarantee*. * Model No. AK720 https://elecena.pl/product/27196648/sealey-ak720-screw-extractor-set-7pc-square-type 2024-11-09 https://elecena.pl/product/27196648/sealey-ak720-screw-extractor-set-7pc-square-type 2025-02-18 https://elecena.pl/product/27196648/sealey-ak720-screw-extractor-set-7pc-square-type 2026-05-19 https://elecena.pl/product/27196648/sealey-ak720-screw-extractor-set-7pc-square-type 2026-07-04