6.35mm(1/4inch) wrench is widely compatible with various of screwdriver heads.
Professional tool - A must for factories / production lines / maintenance workshops / auto repair shops / 4S / car modification, etc.
72 chain rings - Can be adjusted forward and reverse, keeping the space narrow and more convenient to operate.
Non-slip, shock absorption, this mini tool can reduce work intensity.
Matte surface design, rust-proof, wear-resistant.