•Made of chrome vanadium.
•Size: 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 10.5mm, 11mm, 12mm, 14mm, 16mm.
•Function: screw without head; screw up; pull up.
•Quick function. No damage to stud.
•Ways in use: put stud puller wrench on screw, then handle on it; turn it up or down.

•Made of chrome vanadium.
•Size: 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 10.5mm, 11mm, 12mm, 14mm, 16mm.
•Function: screw without head; screw up; pull up.
•Quick function. No damage to stud.
•Ways in use: put stud puller wrench on screw, then handle on it; turn it up or down.