Rox Speed FX Grip Strips - 3 1/4in. GS-001 Provides aggressive traction and a more level feeling platform Requires a flat surface on the running boards as large as the grip strips Installs with included rivets, care must be taken when installing on sleds with cooling systems under the running boards to avoid damaging coolers Package includes 6 strips, enough for one side - two packages per sled is most common, mountain sleds may need 9 strips per side (3 packages) Strips are 3.25in. long x 1.25in. wide x .5in. tall