TREX 6300 ICE TRACTION DEVICE X-LARGE ONE-PIECE ICE TRACTION DEVICE LIGHTWEIGHT DEVICE DELIVERS TENACIOUS GRIP AND STABILITY FOR SHOES AND BOOTS. FEATURES UL STYLE""MARGIN-TOP0PX;PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" 8 RUGGED HEAT-TREATED CARBON STEEL STUDS FOR TENACIOUS GRIP & STABILITY STRETCHABLE RUBBER FOR FIT AND EASY ON/OFF LIGHTWEIGHT AND FLEXIBLE TO -40 degreesF (-40 degreesC) TREX 6301 REPLACEMENT STUDS (GLOBAL #B305939) SOLD SEPARATELY SIZE X-LARGE (US 11-14 / EU 44.5-48.5) APPLICATIONS ROAD CONSTRUCTION CONSTRUCTION ROOFERSTRADES INSTALLERS CONTRACTORS DELIVERY/SERVICE LANDSCAPING UTILITIES LOGGING.