Teflon Folding Rib - Bone Folders are used by book binders, graphic artists and crafts people for creasing, burnishing and gluing materials together. This T-RIB is made of PTFE (a teflon like non stick material), which offers a unique combination of properties. The T-RIB is specifically designed to facilitate folding and compressing signatures and manipulating paper on boxes and books. Since the T-RIB is made of PTFE it is heavier than its wooden counterparts and can be used for folding heavier grade paper like cardstock. This multipurpose tool can also be used for opening, shaping, curving, smoothing and trimming wet clay on the potter''''s wheel. The T-Rib has the added advantage of being extremely durable and having a satin smooth finish. 4-1/4 Inch wide. PTFE''''s non-stick properties insure that almost nothing will stick to the T-RIB, cleaning your tools will never be easier. These T-RIB is non-wetting and inert to almost every known chemical. Due to PTFE''''s excellent non-stick and chemical inertness properties the T-RIB can be easily cleaned and reused helping you leverage your investment across multiple projects. The PTFE made T-RIB will last virtually forever, if properly used.