CURT Multi Ball Mount (2" Solid Shank, 1 7 8", 2" & 2 5 16" Black Balls) Marble look Tile 3 seconds and grinding disks 3 seconds and grinding disks in 1 02 Common Measurement (W x L) 12 in x 12 in Sample Item Number 2504713 Sealant Required Yes Water Protection Waterproof Width Measurement 11 1 4 in Suggested Grout Line Size N A Tile Color Finish Family White For Use with Bathroom Floors Yes Can be Used as Accent Tile Yes For Use with Fireplace Exteriors Yes Sample Available Yes Dynamic Coefficient of Friction (DCOF) N A For Use with Kitchen Backsplashes Yes For Use with Shower Floors Yes Length Measurement 11 1 4 in For Use with Shower Walls Yes Type Floor and wall Package Quantity 10 Features three welded trailer balls on a solid shank and the 2 5 16" ball accepts loads up to 10