Strategic grid pattern, provides incredible grip for all track pitches and atv tiresAccommodates all snowmobile tracks, evens with paddles or studdedThe traction grid adds safety for walking on ramp doors, flat decks and tilt trailersEach box contains 4 pieces, 8 1/4″ x 29 1/2″ (21cm x 75cm)Made in Canada, proudly North AmericanList of part numbers that are compatible with the number :Barcode :713757291958Supplier number :4062 SUP-TRAC-GRIDcatalog number :912325