HomeTU-21 Cylinder Leak Detector Kit Auto Tools TU-21 Cylinder Leak Detector Kit Material: Steel & rubberCoating: Mix-colorWorking pressure (psi) 0-100 PSI, Hose Length 18″ ;12mm x 14mm spark plug adapters ; Quick connect/disconnect 3/8″ diameter hose ; Add to Cart You may also like Previous Next Auto Tools 5PC Brake Caliper Wind Back Tool Auto Tools 12PC Brake Caliper Wind Back Tool Auto Tools 13PC Brake Caliper Wind Back Tool Auto Tools 19PC Brake Caliper Wind Back Tool