The solid hammer body has high concentricity, and the same inclination angle on both sides makes the plumb bob not eccentric in actual use, which better improves the measurement accuracy. It can be quickly positioned, free to take , and easy to operate. for your building measuring. Features - Color: Random Color - Material: Steel. - Size: 10.00 x 4.50 x 4.50cm/ 3.93 x 1.77 x 1.77 inch. - Plumb can be used to plumb walls and other objects over your reference point when using optical instruments. - This professional durable wire hammer is great for lining up points. - Plumb bob is that is used more in the process of engineering use. - Plumb bob is a skill that technicians must possess. Plumb bob is mainly used to measure verticality. - Adopts precision production to the stable characteristics and high reliability. Package list: 1 x