What's in the box:

1Pc 1/2-28 to 3/4-16 Automotive Threaded Oil Filter Adapter Black Steel Knurled (Standard)

The black adapter with knurling is used for car oil filter, suitable for outside thread 3/4-16 and internal thread 1/2-28.

Features:
Outside thread: 3/4-16, internal thread: 1/2-28.
Aggressive knurling and straight threads.
Black oxide finished preventing corrosion.
Made of steel, durable to use.
Easy to install, direct replacement.

Specifications:
Material: Steel
Color: Black
Surface Finish: Black Oxide Steel Knurled
Length: 1"
Outside Thread: 3/4-16
Internal Thread: 1/2-28
Package Weight: 35g / 1.23ounces
Package Size: 40 * 20 * 20mm / 1.57 * 0.79 * 0.79in

Packing List:
1 * Oil Filter Threaded Adapter