1. 3300/3305/3360/3365.
2. 3/8" spark plug socket.
3. DIN 3120
4. 6 Point/12 Points
5. Size combined: 16.0mm (5/8")- 20.8mm (13/16").
6. Inside sleeve R: rubber/ M: magnet.
7. Chrome vanadium steel, polished, chrome plated.
1. 330016S size (mm): 16(5/8”). 2. 336016S size (mm): 16(5/8”). 3. 330021S size (mm): 21(13/16”). 4. 336021S size (mm): 21(13/16”). 5. 330521S size (mm): 21(13/16”). 6. 336521S size (mm): 21(13/16”).