K-D Tools Twist-Out Damaged Nut and Bolt Removal Set Order# KD 3537 $90,20  The price in Kiev!

Contains five specially designed sockets that grip rounded nuts and bolts to remove with ease. Fives sizes cover the range of 5/16" to 9/16" (8mm to 14mm). Sockets are made of hardened tool steel for long life. Easy-to-use, place the closest size to grip the rounded fastener. Some additional with use of file may be needed to allow the Twist-Out to grab the fastener. Once engaged, turn the Twist-Out counter clockwise to remove the Fastener. Patented.