Hair clipper-size suggestions?

I wear a Full-length beard. - My natural hair is so straight that I almost look like Eddy Murphey in his Satuday Night Live character with the hair stiffly moulded upward or DON KING.

I am shopping for a new hair-trimmer for my beard. I have been using a narrow (1 inch) Wahl clipper for many years. - This unit is finally wearing out.

I call Wahl corp. and I am told that this clipper is too old as they do not honour service repairs on this unit. :-(

I hope to buy another Whal trimmer for my beard. I have tried "commercial brand" clippers and they do not work as well as a Wahl.

Which size (either the same 1 inch or wider) is "easier" to trim my full-length beard (with my hair type)? And using a WIDER blade, what different techniques should I use to keep my beard to the 1/2 inch length which is how long I try to keep it?

Thanks for suggestions and feedback.

Hair clipper-size suggestions?

My hubby wears a beard and likes it neat and trimmed, I bought the Wahl Beard Trimmer that has one blade that is adjustable. For the look you want just slide it out full length brushing the strokes DOWN toward your neck with it and go in one click at a time until you find the right length for you.