Jiffy Jigs are great for beginners, or just for increasing production. 1/4" thick acrylic with hand beveled edge. Increase production and consistency. Also helps in throwing, shaping, sizing, and eliminate trimming. Good for both experienced production potters and beginning potters. Height: 3 1/2", 4 1/2", and 5 1/2" Quantity: 3 Tools in Set. Price per kit