BRAKES AVAILABLE ON SWIVEL CASTERS; ZINC PLATED,PLASTIC DUST PROOF,7/16" STELL BALL;1/2" OR 3/4" BOLT WITH LOCK NUT; Wheel DiaTread WidthLoad HeightSwivel RadiusPlate SizeBolt SizeCapacity Each(kg)4"2"5 5/83 9/166 7/16 ×4 1/25 1/4×3 3/8 OR 4 15/16×2 7/16140-450KG5"2"6 1/24 1/16150-590KG6"2"7 1/24 13/16190-590KG2 1/2"250-590KG8"2"9 1/26 5/16230-590KG2 1/2"300-590KG10"2 1/2"11 1/27 27/32360-590KGSTELL THICKNESS-1/4" OR 5/16";3/4"KINGPINESS BOLT