1/2" capacity chuck with integral SDS-plus shank</br>Use for straight shank drilll bits</br>Service Part</br></br>Product Description</br></br><p>Use for straight shank drilll bits - Features: for wood?? metal & fastening. Can be used in the hammer-only mode for all Bosch SDS-plus Rotary Hammers.</p><ul><li>0.5"capacity chuck with integral SDS-plus shank</li><li>Use for straight shank drilll bits</li><li>Service Part</li></ul></br></br>Amazon.com</br></br>The Bosch 1/2-inch by 6-1/4-inch by 2 5/32-inch black metal SDS adapter chuck is designed for use with Bosch SDS-Plus hammer drills. It converts these into regular drills?? offering greater single-tool versatility.</br><br/>http://www.amazon.com/gp/product/B0009H5RFMM