1The valve spring compression kit, with 5 adapters, brings more convenience to your maintenance work. 2Suitable for cars, motorcycles and small?caliber engines, ATV, UTV, to better meet your needs. 3Five push rods are used to correctly install the valve spring, making it easier to compress the valve. 4Metal alloy material, hard, corrosion?resistant, wear?resistant, and has long service life. 5Easy to carry, save time and effort, upgrade your experience and bring you more convenience.5 x Drive Connector3 x Long Pressing Rod Screws1 x C Clamp1 x Pressing RodCondition: 100% New_x000D_Item Type: Valve Spring Compressor_x000D_Material: Metal Alloy_x000D_Color: As the Picture Shown_x000D_Pusher Size: Approx. 16mm/0.6in,19mm/0.7in,23mm/0.9in,25mm/1in,30mm/1.2in_x000D_Each Collet Length: Approx. 1 3/4inMaximum Jaw Opening: Approx. 9 1/2inCompress valves for the following sizes:1. Size: 30mm (OD.) - 27.5mm (ID.)_x000D_2. Size: 25mm (OD.) - 23.5mm (ID.)_x000D_3. Size: 23mm (OD.) - 21.5mm (ID.)_x000D_4. Size: 19mm (OD.) - 16.5mm (ID.)_x000D_5. Size: 16mm (OD.) - 13.5mm (ID.)Application: For cars, motorcycles and small-caliber engines, ATV, UTV, to better meet your needs. 1The valve spring compression kit, with 5 adapters, brings more convenience to your maintenance work. 2Suitable for cars, motorcycles and small?caliber engines, ATV, UTV, to better meet your needs. 3Five push rods are used to correctly install the valve spring, making it easier to compress the valve. 4Metal alloy material, hard, corrosion?resistant, wear?resistant, and has long service life. 5Easy to carry, save time and effort, upgrade your experience and bring you more convenience.5 x Drive Connector3 x Long Pressing Rod Screws1 x C Clamp1 x Pressing Rod