Screw sleeve 1. Axle sleeve interface size: 1/2 (12.5MM). OEM Number:/.
CTA 7840 - T100 Benz Camshaft Socket, M270 and M271
T100 Benz Camshaft Socket - M270 & M271 7840
Camshaft Socket T100 Hollow Torx Bit 1/2" DR Fit Mercedes Benz M270 271 274 Etc
for M271 272 Mercedes Benz Tamperproof Hollow End Camshaft Pulley Socket (T100H)