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. Features & Benefits: • 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 Specifications: Model No AK720 Brand: Sealey Contents: #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