I personally took each one out of the box and tested thoroughly. Test sheet included with purchase. Thank you for your intrest. I am also including a free box of staples to get you started.

I personally took each one out of the box and tested thoroughly. Test sheet included with purchase. Thank you for your intrest. I am also including a free box of staples to get you started.

I personally took each one out of the box and tested thoroughly. Test sheet included with purchase. Thank you for your intrest. I am also including a free box of staples to get you started.

I personally took each one out of the box and tested thoroughly. Test sheet included with purchase. Thank you for your intrest. I am also including a free box of staples to get you started.

I personally took each one out of the box and tested thoroughly. Test sheet included with purchase. Thank you for your intrest. I am also including a free box of staples to get you started.