rubber wheel chock block features: This car rubber wedge is made of NR or SBR, various specifications and many colors are avail This car rubber wedge is made of NR or SBR, various specifications and many colors are availItem:GR0703Size:200*150*150mmWeight:2KG/PCColor:commenly is black.This rubber chocker from Qingdao.Qingdao Guangneng Rubbers & Plastics Chemical Co., Ltd is one of most bigest and ...