This impact screwdriver chuck repair part is compatible with Makita Impact Driver DTD172 and can replace worn or damaged chuck components, restoring the tool's ability to firmly grip drill bits or batch heads The chuck is used to fix the batch head or adapter installed on the spindle of the impact screwdriver, so that the power can be accurately transmitted to the working end. The product is made of wear-resistant materials and has good impact resistance and durability. It can withstand impact torque and repeated loads, which helps to improve the overall service life and stability of the impact screwdriver. The size of the repair accessory matches the original chuck. Please confirm that the chuck axis is consistent with the positioning groove during installation to ensure that the spindle and chuck are tightly engaged without looseness. The repair package includes 216040-0 x2, 267101-9 x1, 231952-6 x1, 327883-6 x1, 232592-3 x1., Manufacturer: Briny River