Universal Wrench Extender Adaptor CHEMICALS This tester measures the ability

This tester measures the ability of an engine cylinder to hold compressed air using shop air pressure and supplements a compression tester

2-piece construction withstands abuse in impact applications

This is the one used in I-Car class

1-5/8" x 1-7/8"

Universal Wrench Extender Adaptor CHEMICALS This tester measures the abilityFeatures and Benefits Universal Wrench Extender Adaptor 1 2" drive or 21 mm hex drive Drop forged body with heat treatment Extendable for all kinds of wrenches Designed to extend your wrench with another wrench or power bar giving more leverage on stubborn nuts and bolts For Workshops, Industry, garages, etc. Covered by a 1 year warranty