This is a cello/double cello sound post setter. It is made of stainless steel material, durable to use. You sharpen or bend yourself to better fit it into your musical instrument, adjust your cello or double cello to have better vibration and sound. Features -Color: Silver. -Material: Stainless Steel. -Size: About 34.00X3.00X0.20cm/13.36X1.18X0.08inch. - Sound-post setter for Cello or double bass. Made of premium stainless steel material, durable. - Great tool with sharpen end. It is easy to be inserted, removed or adjusted your sound post. - This tool can also be and sharpen by yourself. This tool is easy to use and easy to maintain. - Professional sound-post setter for Cello or double bass. Perfect gift choice to friends who have Cello or double bass. - It's easy to insert, remove or adjust your sound pillar. Simple shape design, practical to use. Package list: 2 x Column hook