For replacement stainless steel ball use model #31-204-BP
including brown patch and rust
Digital Timer is Programmable for up to 48 Hours of drying time
1/4" quick-change shank reduces slipping in standard chucks and is compatible with all 1/4" quick-change chucks
Perma cap steel head & interlocking steel claw gives hammer durable strength
Bosch HS1812 CHISEL SPLINE 1" x 18" SpecialDiscount For replacement stainless steel ball"BOSCH" HAMMER STEEL BIT Flat chisel 3 4" Hex With 21 32" Round Head x O. A. Lgth 1" x 18" General chipping work Fits Bosch models 11202, 11203, 11205, 11209, 11214VS, 11219EVS, 11220EVS, 11232VS, 11233EVS, 11306, 11310EVS and 11314EVS. Fits competitive spline drive hammers and round hex hammers.