Sparrows Black Flag Dimple Lock Pick Set - Geometric Handles, 17 Dimple Pick ToolsFree UK delivery over 30 Royal Mail options 30 day easy returns European delivery available Dimple picks Sparrows Black Flag, 17 tools for tricky dimple locks Once you have your favourite picks and rakes, dimple locks are the gap most kits leave open. Mul T Lock, KABA, ISEO, DOM and KESO all use dimple mechanisms, and the Black Flag set gives you seventeen dimple pick tools with grippy geometric handles so you can take these locks on with confidence.