Square section aids removal of extractor from screws. Supplied in storage tray. Manufactured from high grade heat treated alloy steel. 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).
