Klein Tools D506-4 Adjustable Wrench, Plastic Dipped, 4"Klein Tools D506 4 Description Klein Tools' 4 Inch Adjustable Wrench (standard capacity) is made of forged, heat treated alloy steel for maximum strength and light weight. The precision machined jaws are individually chosen and assembled by hand to ensure smooth operation. Contoured, plastic dipped handles make them comfortable to use. Klein Tools D506 4 Includes (1) Adjustable Wrench Klein Tools D506 4 Features Plastic dipped handles for added