Will this work with square register?

Yes, I use this with the Square Stand and it works perfectly.

what are the outside dimensions? I only see 16 x 16. Thanks

Width 16.2" Height 16.3" Depth 4.3"

Questions & Answers: APG Vasario Series Standard Duty Cash Drawer, 16” x 16”, Dual Media Slots, USBPro HID End Node, Fixed 5X5 Till, Painted Front, Black, Includes Cable - VB554A-BL1616

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APG Vasario Series Standard Duty Cash Drawer, 16” x 16”, Dual Media Slots, USBPro HID End Node, Fixed 5X5 Till, Painted Front, Black, Includes Cable - VB554A-BL1616

The perfect solution for applications that can be addressed with a performance cash drawer
The Vasario Series is the cost-effective choice that doesn’t sacrifice quality or dependability
The roller bearing suspension system provides long lasting performance
Latch Ejection Mechanism tested over one million cycles to ensure a longer lasting drawer
Four-function lock
Durable Plastic Hold Downs for easy and comfortable lift
Two-year warranty

$346^.99 –