Pre-PitchExtended sticks are for continuing the Standard Pre-Pitch stick length from 36 out to 72. Can be used with 40 mil vinyl liners, roll-on liquid waterproofing and for creating thin-bed type foundations when using sheet membranes for water control. For larger shower subfloor areas with a centered drain, side drains or whenever the drain is located further than 36 ins. away from any walls or curb. Attaches to the 7/8 end of the Standard Pre-Pitch stick. Each stick measures 7/8 in. to 1 5/8 in. tapered x 36 in. length. Sold 4 per package. Screws, 2-sided tape and complete instructions included.