Heat treated chrome vanadium steel with black-oxide finish
Battery Monitor BM2 Principle:
deepwell 6-point sockets (inch): 3/16
star drive (tamper resistant) bit sockets:
transmission cases and drive line components
TEKTON 7609 Telescoping Lighted Inspection Mirror Tape Measures Heat treated chrome vanadium steelThe TEKTON 7609 Telescoping Lighted Inspection Mirror features dual bright white LED's and a 1 1 2" x 2 1 2" mirror to help you illuminate and examine under, around, and inside wall cavities, chimneys, ducts, engines, and other hidden areas. Features Large 1 1 2 x 2 1 2 inch mirror helps you see inside wall cavities, chimneys, ducts, engines, and other hidden areas Twin bright white LEDs illuminate deep, dark recesses for ultimate visibility