SKU: 7100-ETA-2894-2 Specific ETA movement holder for 2894-2 caliber 12 1/2, made of anodized aluminum. Swiss made, top seller. Support screw made of hardened and tempered steel with a polished end and locking system. Compatible with 6012 and 8935 setting tools for hands. Base diameter: 31 mm Stem passage: 1 Pushers: 2 Support screw outer diameter / inner diameter: 0.60 / 0.40 mm We only sell brand-new products. 100% made by Bergeon, Swiss, and brand new. Please refer to the picture to select the suitable model for you.