HHIP grooving and cut-off holder includes 1 holder, 1 T10 wrench and 1 aluminum case. For use with right hand give-7-sg style inserts. Can be used with 0.019 to 0.125" thin inserts. Ideal for external grooving, Threading, cut-off, turning and copying under 0.125" width. Tool holder is a the-7-3/8-r. Overall Length is 4.5". screw size is M3 x 8mm.