Note: package color red blue random delivery, product color consistent! Introductions: This tool kit allows you to rewind the pistons in brake calipers by hand without damaging the gaskets in the pistons. It does this by allowing the rotation of the piston at the same time as pushing the piston back into the caliper. Features: 1. This set includes both right and left hand threaded rewind tools 2. 2 pin fixed drives 3. 17 adaptors which fit a variety of modern cars 4. This kit enables the rewinding of pistons back into the core on most disc brake calipers this allows you to service and replace worn brake pads on both wind back and push back type brakes 5. Complete with sturdy blow molded case for storage and ease of transportationSpecifications: 1. Color: Gray 2. Dimensions: (12.99 x 8.86 x 2.36)" / (33 x 22.5 x 6)cm (L x W x H) 3. Weight: 6.61lb / 3kg 4. Quantity: 21 Pcs 5. Adaptable Car: UniversalPackage Includes: 1 x 21pcs Disc Brake Caliper Wind Back Tool KitG33002079 Return Policy All of our items come with a 30-day free return policy. If you need to return, please contact us, let us know the detailed problem and send us some pictures for confirmation. We reserve the right to refuse any returns for objective reasons. Shipping Policy All of our items are shipped free with tracking numbers. Orders will be shipped within 3 working days upon receipt of payment. Most orders will be shipped within 1 working day. In most cases, shipping takes 8-12 working days.