Step up to designer styles and superior security with Kwikset Signature Series products. The 980 deadbolt is both tough and attractive. The complementary Antique Brass finish offers a warm feel with deep accents in the contours of the product. This double cylinder deadbolt is operated by a key on both sides. SmartKey Re-key Technology allows you to control who has access to your home. Re-key the lock yourself in seconds in 3 easy steps. Have you recently moved or had a child lose a key. Itâs time to re-key. SmartKey provides the highest level of residential security and features BumpGuard to protect against lock bumping.