The Sprinter Roof Rail Track Nut 10 Pack is compatible with factory roof rail systems for 2007+ Sprinter models, as well as select aftermarket roof rails. Made from 1/4" thick stainless steel, these durable track nuts easily slide into the rail track and can be positioned anywhere along the rail for versatile mounting options. Each nut is threaded to fit M10 bolts
The Track nut measures 1"x1"
The Screws are 3/8 x 7/8
Bolts are INCLUDED!