This black matte plastic oblique nib holder can hold and fit most nibs in the market (Likely able to fit: Brause Rose, Brause Steno [Just remove flange and place], Brause 513, Gillot 404, Gillot 170, Gillot 1068A, Gillot 290, Gillot 303, Hunt 22B, ,Hunt 101 [Just remove flange and place], Hunt 99 [Just remove flange and place], Hunt 100, Hunt 103, Leonardt Principal [Just remove flange and place], Nikko G, Zebra G, Manuscript G [Just remove flange and place]).When used as a straight holder it can use most of the nibs previously listed including Speedball Broad Nibs, Mitchell Roundhand Square Nibs, Tachikawa C Nibs, Tape Broad Nibs, and Brause C Nibs.If the nib cannot fit, you can carefully remove the brass flange then adjust it with pliers and put it back.This plastic oblique nib holder is light weight, hand crafted, and features a brass flange along with a beautiful velvet pouch with a lovely Alpha Pens wax seal of approval.