| Con-Plas 10RCB2530 Plastic Rebar Chair With Base Plate, 25/30mm (500/Box) Features These Chairs are specifically designed with a large stable base plate to be used on soft surfaces such as sand, insulated materials, and waterproof membranes. CP on-Grade Chairs are typically used for on grade slab with 2 coverage heights on each chair to accommodate uneven surfaces. They are available in 6 heights from 15mm (0.60”) to 100mm (4.00”). |