Application:
With BT8 spindle, compatible with most manufacturers' standard 2,000 pound trailer axles
Wheel stud size: 1/2 inch diameter x 1-5/16 inch long, Grease cap flange diameter: 1.988 inches, BT8 is 8.75" in length

Includes:
8x 4 on 4" axle seat
8x 1" BT8 circular spindle
16x L44643/L44610
8x 12192TB
8x rubber plug dust cover
32x 1/2"-20 nuts
8x cotter pin
8x spindle nut and gasket

Quality:
Made of good quality alloy steel and rubber and plastic, with strong hardness and long service life.

NOTE:
Please check compatibility and specifications before ordering to avoid buying unsuitable.