P1-CST Multiple Gradient Gel Caster, 10 teeth Standard 20-tooth comb 1.5mm -P1 CST Multiple Gradient Gel Caster, 10 teeth Cast one to five gels simultaneously with Fisherbrand P1 CST Multiple Gradient Gel Caster, one of the simplest devices to cast gradient gels. With an external gradient maker, gels can be cast with ease and great reproducibility The design and format of this unit will provide years of service in your lab Description: Standard 20 tooth comb For Use With: P1 CST System Item Description: 20 teeth; Tooth