... 16mm ,32mm,25mm Material:plastic and rubber Color :black,red,white 32mm Plastic handle grip Size:Diameter 13mm,12mm,19mm,16mm ... and rubber Color :black,red,white,blue and othersWe are the big facotry produce the hand grip ,common and green plastic hand grip we ... all have .The hand trolley usual used in hand trolley ,wheelbarrow , ...