Robert James Enterprises turnbuckle hardware kit
Nickel plated brass turnbuckle with the heavy duty stainless steel pin and spring (Other brands use brass pin and spring)
Includes #6 Self Drilling/tapping screws
**On stainless grilles (uncommon) Pre-drill with #31 drill bit**
Factory Style Tab Turnbuckles for 379/377/378, 388/389/589, T800 and W900 go here: SemiTruck Factory Turnbuckle Hardware Kit for Bugscreens/Winterfronts WITH BOLTS | eBay