Features and Benefits: Replacing brake shoes on heavy-duty tractors and trailers is now a snap thanks to OTC s new No. 5081. This little tool eliminates unsafe methods grip wrenches pry bars or screwdrivers to unhook and reconnect the two "Q" brake shoe retaining springs.The unique design of the No. 5081 lets you use it as a lever against the axle to separate the spring loop from the brake shoe. Not only does it make the job easier than ever before it takes very little effort! Wt. 1 lb. 4 oz.