Features Premium Material:Support free expansion control, with stainless steel case, the hammer is shockproof and non-slip, durable. Good Working Performance Each part is firmly connected and stable without wobbling, which allows high performance. The ball head is firm and not easy to fall off, and the full core ball head makes the measurement more accurate. Practical Inspection Tool The home inspection hammer is suitable for testing whether walls, tiles, ceilings and other structures are empty. Comfortable Handle The handle is made of sponge material, which is non-slip and shockproof, and comfortable to hold. Compact and portable structure: free and easy to carry, very practical, made of high quality material. Specification: Item Type:Home Inspection Hammer Shrink length: approx. 26 cm / 10.2 inches. Stretch length: approx. 130 cm / 51.2 inches. Material: stainless steel. Ball diameter: approx. 19 mm / 0.7 inches. Package list: 1 x hollow drum hammer. 1 x Bracelet (Random Color) Package List 1 x Hollow Drum Hammer 1 x Wrist Band (Random Color)