This design has fabulous wearability, and the smooth silicone that lifelong caulking joint is expected can be improved, as also readily for the wife's of new configuration management zeus, silicone joint filling is also effectively removed, understand a polyurethane elastomer, it by using a bottom surface, is trimmed, so as to the place of upper surface building finishing section 100 in structure of the silicon of discharge; One end of handle portion 200, its upper surface for being connected to finished product (100), is made into, and the aspect including bottleneck portion 100 is an inclined-plane yirueojyeoseo 110, it is projected outward towards bottom surface, complete peripheral portion 100 thickness towards outside be characterized in that one gradually make so as to.
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