The "Num " button works with /7/8/10, however NOT with for OS. AWG: 26-10AWG Crimping Range: 2.5/4.0/6.0mm Application: For open plug-type connector Connector: Rated Current : 16A (2.5m, AWG14), 30A(4m, AWG12), 52A (6m, AWG10) Suitable cable Lines: AWG14/AWG12/ AWG10 Contact resistance of plug connectors less than 5mohm temperature range: -40 to ~+90 Feather: For multi- wrench with frosted plastic surface, no slippage occurred. Self-adjustable ratchet mechanism design for easy and safe operation. Connectors with double seal rings for better waterproof and dustproof. For the Male and Female Solar Panel Cable Connectors,with a waterproof and weather proof ring and with stable self-locking mechanism. Package Included: 1x Wire Crimper 1x Wire Stripper and Cutter 2x Spanner 10x Male Female Solar Connectors 1x portable bag Colour:black :High carbon steel+PP handle Package Contents: 1 set x connector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.