Upgrade to this larger heavy duty 1/2 chuck from cheap original chuck Ryobi used on your DP103L drill press. Replaces Ryobi part number 089140314710
Ridgid Drill Chuck Replacement
Ryobi 10 Inch Drill Press Power Tool Pressing EXACTLINE Laser Alignment System 33287163342
Ryobi Drill Chuck Replacement
10 Drill Press - RYOBI Tools
Jet 1/2 HP 12 in. Benchtop Drill Press, Variable Speed, 115-Volt, JWDP-12 716000 - The Home Depot
RYOBI 10 in. Drill Press with EXACTLINE Laser Alignment System – Ryobi Deal Finders
RYOBI 10 in. Drill Press with EXACTLINE Laser Alignment System – Ryobi Deal Finders
How To Change Ryobi Drill Chuck Easily P250 P252 P277 and others
User manual RYOBI DP103L (English - 56 pages)
Replacement key for 1/2 drill press chucks w/ 1/4 pilot hole – Core Shifters