TT20X12RISER Home » » TT20X12RISER TUF TITE 20″ x 12″ RISER RETURN TO PRODUCT LIST ALPINE PICKUP: $55.00 PART NO. TT20X12RISER Product Details DIMENSIONS 20" x 12" RISER TT24-TAR SPECIFICATIONS: 24" ADAPTER RING, WIDE BASE $25.00 TT24X12RISER SPECIFICATIONS: 24" x 12" RISER $55.00