As an Amazon Associate, we earn from qualifying purchases. Home » GS Tooling » 536-054 GS HSK 63A & 100 End Mill Holder - 536-054 - Penn Tool Co., Inc GS Tooling . 536-054 Gallery Attributes Brand name, Manufacturer name, ManufacturerGS Tooling Extra Product NameGS HSK 63A & 100 End Mill Holder - 536-054 - Penn Tool Co., Inc moq, multiple, tierMinQty11 MPN536-054 qtyInStock0 SKU173224 tierPrice1252 Distributor offers SellerSKUMOQIn stockMultiplePrices penntoolco.com173224111 @ $252.00