BOSCH, SDS-Plus For Chuck, 1/2 in Keyed Converts to Chuck, Chuck Adapter - 1UL64|1618571014 - Grainger
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Amazon.com: 4 pcs SDS Plus Socket Adapter Set,1/4" Hex Socket Adaptor 1/4" 3/8" 1/2" Square Impact Socket Extension Connector Power Drill Bit Adapter : Tools & Home Improvement
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