Furnished with 3/8-16 or 1/2-13 tapped holes or studs to accommodate large or small holes in the machinery leg. Neoprene resists oil, oxygen and ozone. Upper plate provides uniform mounting loading. May be bolted directly without leveling for economy. Without glide cup, friction keeps equipment in place. Max load 250 lbs. 2-1/4″l x 2-1/4″w x 7/8″h overall dimensions.