Description:<br> 1\/4 &amp;amp; 3\/8 &amp;amp;1\/2 Inch Square Shank Drill Bit Adaptor For SDS Plus Hammer Drill<br>  <br> Specification:<br> Material:45CR<br> Size:1\/4&amp;quot;， 3\/8&amp;quot;， 1\/2&amp;quot; Shank: Square Shank Type: SDS Socket Adaptor<br> Character: Degree of occlusion，protect the screw from being damaged.<br> Suitable for electric hammer，percussion drill，electric hand drill etc.<br> Quantity: 1pc  Please be noted this product is only included One Piece， you can choose the size you need. <br>  <br> Package Included:<br> 1 x Drill Bit Adaptor<br>  <br> More Details: