Hamskea Replacement Knobby Limb Pad Black. Used to attach universal limb clamp to limb. Specifications for Hamskea Replacement Knobby Limb Pad: Manufacturer: Hamskea Color: Black Features of Hamskea Replacement Knobby Limb Pad: Adhesive back attach universal limb clamp to limb Package Contents: Hamskea Replacement Knobby Limb Pad Hamskea RUB006-20: Replacement Knobby Limb Pad Black