The Fretz I-12 Concave Taper Insert is perfect for creating tiny concave shapes. The 17.5mm tall I-12 Insert narrows from a 29.5mm diameter at its thickest point down to 4mm at its face. Designed with a 5mm tang, to be used with the Fretz H-2 Stake Holder (sold separately). Fretz stakes are made from hardened 420-grade stainless steel with highly polished areas to prevent scratching or marring your workpiece. Made in Vietnam.
| Brand | Fretz |
| Country of Origin | Viet Nam |
| Shape | Micro Forming Stakes |