Description:Install objects quickly and easily with keyhole slots, accurately marking fastener locations for keyhole slots without measuring or generating templates. It works with most styles of key slot and characters of almost any surface. When the tool is mounted on the object, the characters can be automatically inked. Specification:Material: ABS, Metal, Wood Packing List:2 Keyhole Marker Tool2 Black Ink Caps2 White Ink Caps1 Mini Bubble Level12 Low Stick Adhesive Strips1 Storage Rack1 Horizontal Holder & Adhesive StripsNote:1. Due to the lighting effects and shooting angles, there is a color difference in the product, please understand.2. Due to manual measurement, there is a tolerance in the size of the product.