Thumbscrew 1/4 - 20 x 1.75 inch. These are used to secure your corner skirting pieces on your spa in place. This part is the longer of the two thumb-screws available.
SpaBoss Spa Clear is the quick way to restore clarity and diamond-like brilliance to your spa or hot tub. Clear water makes hot tubs more enjoyable, so use a reliable product to keep it sparkling.