Item No.:BT3287
*Designed to remove damaged nuts and bolts.
*Made from heat treated Chrome Molybdenum steel.
*Reverse spiral flutes are designed for maximum grip.
*Contents: 9, 10, 11,13,16, 17, 19mm,1pc 3/8″ adaptor.
*Suitable for use with 3/8”Sq drive or spanner.1pc 3/8″ Dr.1/4″ shank adaptor,make this set can be also used elecric drill for size 9,10,11,13