| Heigth Size | Wire diameter | |
| 25mm up to 160mm, 5mm increment | 5mm | |
| 25mm up to 120mm, 5mm increment | 5mm | |
| 120mm up to 480mm, 10mm increment | 6mm | |
| 25mm up to 350mm, 5mm increment | 5mm | |
| After-sale Service | Online technical support, Onsite Installation, Onsite Training | |
| Alloy Or Not | Non-Alloy | |
| Secondary Or Not | Non-secondary | |
| Project Solution Capability | graphic design, Others | |
| Application | construction | |
| Design Style | traditional | |
| Place of Origin | China | |
| MOQ | 1000pcs | |
| Payment terms | T/T | |
| Key word | High Chair/Rebar Support | |
The concrete chair is a very strong spacer that can be extended to longer lengths through its locking system. The bolster's pointed tips allow minimum point of surface contact with form. The Slab Bolster is ideal for pouring precast, garage parking decks, tilt walls, and other structures that require additional rebar reinforcement. We supply all sizes of Bar Support Slab Bolster from 3/4" to 5" , Slab Bolster upper from 3/4''to 6'',Continual High Chair and Continual High Chair Upper with different sizes surface finish can be plain Slab Bolster is used for supporting lower slab steel from slab form. Legs are spaced 5” on center. Available in 3/4” to 3” heights in 5’-0” lengths. Other lengths are available on requests. Slab bolster with plastic tip is used for supporting lower slab steel from slab form. Legs are spaced 5” on center. Available in 3/4” to 3” heights in 5’-0” lengths. Other lengths are available on request. Slab Bolster Upper is used to support one layer of steel above another and space them to a required distance. It is also used to support steel on a soft surface. Legs with runners are spaced 5″ on center with vertical corrugations spaced 1″ on center. Heights up to 3″ in 5′ lengths.