Amazon.com: Makita B-64163 Adapter, Spline-SDS-Plus : Tools & Home Improvement
Makita SDS-PLUS to 1/4 in. Hex Adapter B-59259 - The Home Depot
SDS Max to SDS Plus Adaptor Chuck Drill Converter Shank Quick Tools for Bosch Makita and Other Rotary and Demolition Hammers: Amazon.com: Tools & Home Improvement
Makita USA - Product Details -D-14087
MAKITA D-17603 SDS Plus adapter for cups | Mister Worker®
Amazon.com: Makita B-64163 Adapter, Spline-SDS-Plus : Tools & Home Improvement