Description • Four double edged cutting/gripping sides. • 8-Points of contact to make non-slip engagement with the bolt/screw. • Ensures removal of even the toughest bolts/screws. • Contents: #1; 3.2-4.2mm(3/16″-1/4″), #2; 4.8-7.1mm(5/16″-3/8″), #3; 6.4-9.5mm(7/16″-1/2″), #4; 8.7-12.7mm(1/2″-9/16″), #5; 11.1-15.9mm(5/8″-3/4″). • Supplied in storage case.
