Irwin Tools Item 2071907 Adjusting screw Replacement part for 7R, 7WR, 7CR, 9LN, 8R, 9R, RR, and 7LW Exclusive parts for Vise-Grip locking tools including springs, adjusting screws, chains and pads Adjusting screw^Replacement part for 7R, 7WR, 7CR, 9LN, 8R, 9R, RR, and 7LW^Exclusive parts for Vise-Grip locking tools including springs, adjusting screws, chains and pads