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.Model NoAK720Contents:#1; 1/8"(3mm), #2; 3/16"(5mm), #3; 15/64"(6mm), #4; 5/16"(8mm), #5; 3/8"(9mm), #6; 15/32"(12mm), #7; 9/16"(14mm)Nett Weight:0.30Kg 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