8Pcs Mini Rope Bubble Level Hanging Line Spirits Level Bubble String Leveler Pocket Line Hanging Level Measuring Tools With molded hooks to enable the level to be hung from a builders line and suitable for bricklaying, plumbing, guttering and tiling. Lightweight structure reduces line sag and opposing hooks reduce drop-off. The string level uses special acrylic and ABS materials, which are durable, light and wear-resistant. Can be used with a spirit level. High precision, easy to use, the horizontal direction is clear at a glance, and it can be read quickly and accurately. size:7.5cm Material:abs+acrylic colour:yellow Package Contents: 8 x Bubble Level Only the above package content, other products are not included. Note: Light shooting 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.