THIS ADJUSTABLE HEIGHT WEDGE THRESHOLD RAMP WILL OVERCOME ALMOST ANY THRESHOLD!  LEAVE IN PLACE FOR ULTIMATE EASE OF USE. 3 SIZES: SMALL, MEDIUM AND LARGE. Your benefits: Fully adjustable in less than a minute (spanner supplied in kit) Match threshold height to within the thickness of a coin (adjusts in 5mm increments) Extremely durable designer-finish to suit any internal decor Can be fixed in place for maximum stability Remove and readjust for re-use elsewhere Rubber strip to grip and protect floor