Spark Plug 8-Piece Set

3/8"  10-60N.M
Material:
Board body 40cr material, hardness 46-49HRC, chrome-plated surface
Tube 45# steel material, chrome-plated surface
Handle aluminum material, anodized surface
14mm, 16mm spark plug socket CRV material, hardness 38-42HRC, chrome-plated surface
3/8""*10"" connecting rod material 40Cr, hardness 38-42HRC, chrome-plated surface
3/8"" universal joint material 40Cr, hardness 38-42HRC, chrome-plated surface
T20, T30, T40 pressure batch socket CRV material, hardness 38-40HRC, chrome-plated surface
Beatle S2 material, hardness 50-56HRC, red surface
Packaging box material plastic