Description of HHIP 3900 2177 Prisma Length Height
Multi-function V-shape jaw can hold round and square work pieces. Made of high grade, hardened and precision ground tool steel. Squareness and Parallelism to 0. 0002". Fits most angle lock style vises. Please see the diagram to confirm it fits your vise.
Jaw mounting screws for standard Kurt Vises - D40, DX4 and DX4R - are 2.5" apart. These vise jaws have holes spaced 2.75" apart. This is a beautifully crafted sponge, but it won't fit Kurt's 4" vise!
Pros
Multifunctional V-shaped jaw for holding both round and square work pieces.