Building foundation Chair competitive price & high quality Plastic Rebar Chair Spacer, Plastic Rebar Chair , Building foundation Chair competitive price & high quality Plastic Rebar Chair Spacer, Plastic Rebar Chair specification:Material:PPsize:we can produce it according to your requirementsConcrete bar chair M RangeName 'A''B'PackTDS 65/7565 mm75 mm50TDS 90/10090 mm100 mm50TDS 110/120110 mm120 ...