Was looking for a sharpening rod for a Bosch multi-tooth rotary hammer and this was found. That's not a spline, it's an eighth of a hexagon. Luckily I have a Bosch Brute Hammer that can use this tool.
𧱠Bosch 2607017164 Piece Setter Masonry: Advanced Tools for Precision Masonry Work
20 Review
Tool set Stels Tool set, 1/2", 1/4", CrV, plastic case 94 pcs, Stels, 94 pcs, black
45 Review
Cordless drill driver BOSCH GSR 120-LI (06019G8020/06019G8000)
54 Review
MICHELIN Latitude Sport 3 235/60 R18 103W summer
22 Review