Product DescriptionThe Metallics conical anchor blue pack of 100 model JBA2 is a heavy duty plastic anchor designed for #10-12 screws and is suitable for drywall masonry and other light to medium load installations. Each anchor is approximately 1 inch long and is installed using a 1/4 inch drill bit which provides the proper expansion space for a secure fit. The conical body expands firmly when the screw is driven in which creates strong holding power for mounting hardware such as brackets low voltage panels fixtures and electrical accessories. The bright blue color helps installers quickly recognize the anchor size on the job site which reduces errors and speeds up installation. The bulk pack of 100 ensures contractors technicians and installers have sufficient quantity for multi room or large scale projects requiring consistent reliable anchoring.