... quality Plastic spacer,Flat Type,PVC Shim PAD,Shim Pad,Concrete Accessory,Rebar Accessories Material: PP PEPlastic solid shims are idea ... for packing during construction involving precast concrete units.Item CodeSizeThicknessQty/CtnWt/CtnSP-2-270*70 mm2mm2,50026SP ... 70 mm20mm25029Plastic spacer,Flat Type,PVC Shim PAD,Shim Pad,Concrete Accessory,Rebar Accessories Square Type Shim for ...