The Cool Lights CL-SCR0650 scrim set is 160mm (6 1/4") in diameter and will work with any fixture with an accessory holder in that size range including the Cool Lights 650w tungsten fresnel, Cool Lights CDM 150w fresnel, Arri 650w compact tungsten fresnel and compatibles as well as the Mole 650w Teenie. The set includes a convenient nylon carrying pouch, full single and half single scrims (standard green color code) and full double and half double scrims (standard red color code). Scrim material is stainless steel and protection edge ring is anodized aluminum.