Genmitsu 2PCS T-Track Mini Hold Down Clamp Kit, CNC Router Clamp for Woodworking and Metalworking, Compatible with 3018 CNC Router Machines, 3018-PRO/ 3018-PROVer/ MX3, 2.57''Lx 0.79''Wx 1.97''H - - Amazon.com
CNC Toe Clamp Hold Down Files With Fixture Accessories - Etsy