The 9001K push button line has a large variety of operators and accessories for heavy industry applications. These operators are used in the petrochemical, metallurgy, mining, oil and gas, wastewater treatment and automotive manufacturing industries and more. Protective boots are recommended for very dirty environments or severe hose down applications. This protective boot is to be used on selector switches with a standard knob. This protective boot has a gloved hand cap. This boot can be used with illuminated or non-illuminated selector switches. "It is made of silicone rubber and available in black/clear color. It weighs 0.027kg." "It is ideal for petrochemical, metallurgy, mining, oil and gas applications. It is also suitable for automotive, water and wastewater treatment applications." "This product is compatible with 9001KR1U, 9001KR3U and 9001KR2U." "It is installed into a . 30mm panel cutout." "A comprehensive range of illuminated pushbuttons, pilot lights, emergency stop buttons, selector switches, joystick controllers and accessories to fit your needs." "The modular range of . 30mm metal control and signaling provides robust and reliable solutions for a wide range of heavy industry applications."