FAST Cap; Tile Leveling System is the fastest, easiest installation system for avoiding uneven wall and floor tiles. FAST Cap; utilizes innovative Ratchet Caps that can be pressed down over the Spacer Bases, avoiding the need to spin the caps on or off, which saves time and reduces fatigue. Once the Ratchet Cap is in place, simply turn until adjacent tiles are level (no special tools required). Spacer Bases fit under and between tiles to keep tiles level while keeping grout lines evenly spaced. Straight Spacer Bases are used for all wall edges and can be used for both staggered and square layouts. Use + Spacer Bases in square intersections. Ratchet Caps sold separately. 50 Spacer Bases per bag. Color/Finish Family: Black. Manufacturer Color/Finish: Black. Length (Inches): 3.32. Width (Inches): 0.125. Material: Plastic. Package Quantity: 1. Tile Leveling System: Yes. Tile Spacing: 1/8-in. CA Residents: Prop 65 Warning(s): Yes. UNSPSC: 30161700.