GearWrench 3963 Exhaust Manifold Set - 3-Pc 40mm 6 out of 5 stars

6 out of 5 stars 49 ratings 4

Metric thin wall impact sockets with plastic sleeve - 6 pt Genius Tools Brown 1/2" drive 21mm

Bolt Capacity: 1/2 in

Part Number : 159

Item model number : 8000

GearWrench 3963 Exhaust Manifold Set - 3-Pc 40mm 6 out of 5 stars3 Piece Exhaust Manifold Set Features Works on exhaust manifolds or other applications where a spring needs to be compressed during installation of a nut Patented cone shape socket helps to keep springs in place while working the nut down over the stud Includes sizes 12 13mm, 14 15mm, and 18mm commonly found on GM engines 3 8" drive sockets All sockets come in a blow molded case Specifications Manufacturer: GearWrench Part Number: 3963 Item Weight: 2.