•Product Specifications:
•4-Pieces 1/4" adapter: 25mm length, 30mm length, 50mm length, 65mm length --- can be converted to 6.35mm square head;
•2-Pieces 3/8" adapter: 50mm length, 65mm length --- can be converted to 9.53mm square head;
•2-Pieces 1/2" adapter: 50mm length, 73mm length --- can be converted to 12.7mm square head;
•1-Pieces 2.5 Inch magnetic bit extension piece with a 1/4-inch bit end.