Shepherd Hardware 9077 Caster CupsShepherd Hardware 9077 Caster Cups Features:; Carpet Base. Round or square cups used to protect hard floors from scratches and dents; Plastic Spiked. Round or square cups used to prevent crushing and wearing of carpet pile; Plastic. Round or square cups used to prevent crushing and wearing of carpet pile as well as protecting hard floors from scratches and dents; Rubber. Round or square cups used to protect hard floors from scratches and dents; Woodgrain Effect. Round cups that imitate woodgrain appearance as well as protecting hard floors from scratches and dents; 1-3/4" (44mm) Round Brown; LOAD CAP LB / KG : N/A