3D printed, new products. For testing and installation, we used 35 mm piezo sensors for the toms and 27 mm for the rim holders. But it may be suitable for other sizes.
10Pcs Electronic Drum Trigger 20mm in Height DIY Electronic Drum Replacement
10Pcs Electronic Drum Trigger Black DIY Electronic Drum High
10Pcs Electronic Drum Trigger DIY Electronic Drum Good Elastic 20mm High
10Pcs Electronic Drum Trigger Black DIY Electronic Drum High Density Sponge
Alesis DM6 Tom Pad 8" Electronic Drum Trigger Pad DM6 USB Replacement Drum Pad
10x Electronic Drum Trigger Pads - High Density Sponge for Drum Kit Training