150 Pieces electrical outlet extender kit 60 pieces outlet screw spacers and 90 pieces 6-32 thread flat head device mounting screws for household and industrial electricity, 6 lengths, black Features: Quality material: Adopting quality rubber material, these electrical screws spacers are durable, soft and stable, withstand temperature between -60 degree centigrade to 200 degree centigrade, can serve you for a long time. Multiple usages: These outlet screw spacers can be applied in the insulation protection of various household appliances, industrial appliances and electronic instruments. It is nicely suitable for the water delivery pipes of drinking fountains and coffee pots. You can cut them to any length according to your needs. Specifications: Size: OD 11mm, ID 6mm Material: rubber Color: black Package includes: 60 x Outlet screw spacers 90 x Wall plate screws