TREX 6300 ICE TRACTION DEVICE 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 LARGE (US 8-11 / EU 41-44.5) APPLICATIONS ROAD CONSTRUCTION CONSTRUCTION ROOFERSTRADES INSTALLERS CONTRACTORS DELIVERY/SERVICE LANDSCAPING UTILITIES LOGGING.