8 Pcs Radiator Valve Key Set Lockshield Exhaust Air Release Purge. -Size (funnel):6.50X5.30X5.30cm/2.55X2.08X2.08in. Bottle body is made of plastic, which is reusable and easy to use. These amazing Glue Bottles with needle piece can be used for many daily activities, and can be applied with various liquid such as oil, glue, etc.