Nail-on Glides, Plastic Base P/N Base Diameter Base Height Nail Height Base Material SW-120140 3/4″ 1/4″ 23/32″ Nylon SW-120141 7/8″ 1/4″ 23/32″ Nylon SW-120142 1″ 1/4″ 23/32″ Nylon SW-120123 1-1/8″ 1/4″ 23/32″ Nylon