These are for 8mm holes, but are versatile to use in some that are wider. Some Subaru will have 8, some will have 10mm. 8mm are more common, but you need to verify the panel you are installing on before purchasing. 8mm is close to 5/16"
20 Plastic Push Clips for Fender Liners, Splash Shields, Various Panels (20PushClips)
NISSAN 350Z Exterior
Other Names: Fender Liner Fastener, Sight Shield Clip, Bumper Cover Clip, Cowl Grille Clip, Trunk Lid Trim Clip, Fender Liner Clip, Grille Assembly
Rexka 40pcs Fender Liner Splash Shield Push Side Trim Panel Clip Retainer Blind Rivet Compatible with Nissan 01553-2DR9A 370Z Altima Maxima Murano
Fender Retainer Clip – Nilight
AveneMark 620pcs Push-Type Retainer Clips, Bumper
20 Plastic Push Clips for Fender Liners, Splash Shields, Various Panels (20PushClips)
Infiniti EX35
Fender Retainer Clip – Nilight
Super High Quality as original retainer clips,meet or exceed OEM Specification. Same size & shape as original:Top Head Diameter: 0.59 inch / 15mm,
20 Pcs Super Front Fender Inner Liners Fender Well Front Wheel Well Retainer Clips Plastic Body Rivets Compactible with Hon da Accord Civic Acura
Fender Splash Shields - Plastic Splash Guard Material - Free