1. 6.35mm(1/4inch) wrench is widely compatible with various of screwdriver heads. 2. Professional tool - A must for factories / production lines / maintenance workshops / auto repair shops / 4S / personal car modification, etc. 3. 72 chain rings - Can be adjusted forward and reverse, keeping the space narrow and more convenient to operate. 4. Non-slip, shock absorption, this mini tool can reduce work intensity. 5. Matte surface design, rust-proof, wear-resistant. Spec: Features: 6.35mm(1/4) wrench is widely compatible with various of screwdriver heads. Professional tool - A must for factories / production lines / maintenance workshops / auto repair shops / 4S / personal car modification, etc. 72 chain rings - Can be adjusted forward and reverse, keeping the space narrow and more convenient to operate. 5° rotating angle - Save time and energy. Matte surface design, rust-proof, wear-resistant. 2-color rubber handle, user-friendly design. Non-slip, shock absorption, this mini tool can reduce work intensity. Compact and lightweight, easy to carry. Specification: Type: Ratchet Socket Wrench Material: Alloy Color: Silver Diameter: Approx. 6.35mm (1/4 inch) Thickness: Approx. 16mm Width: Approx. 18mm Depth: Approx. 11mm Length: Approx. 88mm Weight: Approx. 57g / Diameter: Approx. 6.35mm (1/4 inch) Thickness: Approx. 19mm Width: Approx. 18mm Length: Approx. 95mm Weight: Approx. 59g Package list: 1 * Ratchet Socket Wrench / 1 * Square Head Wrench Note: Please allow slight error due to manual measurement. Thanks for your kind understanding.