Home / Grinders / Manual Surface Grinders Manual Surface Grinders A Line of Precision Low-Cost, High Performance Manual Surface Grinders. CSG618H – Clausing Manual Precision Surface Grinder, 6” x 18” Table Size, with Manual X, Y, Z Travel Features & Specifications CSG818H – Clausing Manual Precision Surface Grinder, 8” x 18” Table Size, with Manual X, Y, Z Travel Features & Specifications