1/4 in. Original Job-Tough Tombstone-Style Tile Spacers (200- Pack). The QEP 1/4 in. Tile Spacers keep grout lines the same width and help to line up tiles at the corners when installing ceramic floor or wall tiles. The spacers are made from flexible PVC for ease in placing and adjusting tiles. Made in USA. Works with all sizes of ceramic tile, porcelain, stone and marble. Evenly space and help align wall or floor tiles. Makes uniform grout lines. Flexible PVC. Provides quick, professional looking results. Original Job-Tough Tombstone-Style. Made in the USA.