Material: steel is durable, safe and reliable. Damaged Bolt Nut Screw Remover Extractor: Our perforated screw removal bolts are designed to add bolts to the bolts. Each bolt is screwed into a nut separately to increase strength and durability. Impact bolt nut remover kit: it is a good tool for removing bolts and replacing existing nuts and bolts. This makes the wrench easy to get in and out, so you 't have to worry about how to remove the bolt. Screw extractor socket: The screw extractor socket adopts screw-in design, which is convenient to use and does not need complicated operation. Specification: The weight is about 760g, and you will receive 14 sets of pull-out sleeves. Dismantling sleeve kit: Our bolt and nut remover kit is designed to provide you with proper and help you clean nuts and quickly. Screw remover: Screw remover set, easy to use, convenient to clean nuts. There is no need to drill holes in the socket. Colour:silver+gray Material:steel Package Contents: 14 x Pull out sleeve kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.