Milwaukee 48-03-3555 - SDS Plus Thin Wall Core Bit 8" Adapter Shank8 in. SDS Plus adapter for 1 3 4 in. to 4 in. thin wall core bits. Includes shank only. Features Extends reach: drill in tight and hard to reach spaces Versatile: use with Milwaukee thin wall core bits 1 3 4 in. to 4 in. Adapter to give SDS flexibility Hardened Carbide steel Includes (1) SDS Plus Thin Wall Core Bit 8" Adapter Shank Warranty None