The housing is made of fine hardness aluminum casting material, which is more serviceable and strong. Long time work is not tired, ergonomically designed, you not feel tired after long-term use. Alloy steel -head, , labor-saving and efficient. The handle is made of hard plastics, the is non slip design, not easy to slip. The fine strength link rod can better suitable the drill. Easily pull the rivets, no need to spend a lot of effort, save time and effort. Easy installation: the hexagonal screw can be used after it is connected to the drill. The guide can be replaced according to the size of the rivet, easy and operation. Colour:blue Material:aluminum alloy Package Contents: 1 x Riveting Adapter 1 x Auxiliary Handle 1 x Wrench 3 x Twi- Drill Bit 4 x Rivethead (2.4 x 3.2 x 4.0 x 4.8) 1 x 3.2mm drill bit 1 x 4.2mm drill bit 1 x 5.5cm drill bit 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.