(10) Extended Silver Lug Bolts for Porsche 1997-2015 | Shank Length 37mm | M14 X 1.5 Thread Size | R14 Ball Seat with Swivel Washer | 19mm Hex | Includes 10 Brand New Premium Silver Lug Bolts For Porsche M14 x 1.5 Thread Size | R14 Ball Seat With Swivel Washer | 19mm Hex | Overall Length 66.5mm | Shank Length 37mm Heat treated & through hardened alloy steel | Silver zinc coating for maximum durability & protection against corrosion TV Tested & Certified to meet or exceed OEM quality standards | Manufacturer Warranty Included Guaranteed perfect fit | Please refer to product details & description for vehicle fitment information