http://www.grcnova.com/lathe-accessories/toolrests/ This item has three model:
NOVA 12″/304MM MODULAR SYSTEM TOOL REST BAR (SKU 9028 AND 71027) / NOVA 4″/101MM (SKU 9026 AND 71096) / NOVA 6″/150MM (SKU 9027 AND 71061)
Modular NOVA part of the tool post system, a flexible system, allows you to mix and match tool rest and rod, to create the perfect tool rest, meet your requirements. You need a NOVA Tools Rest post(additional purchase). This thread bar allows you to use NOVA Too rest posts as needed. The 12in / 304mm length is ideal for most mini lathes, or you need more precise tool control for smaller work on larger lathes. Made of cast steel and stainless steel ram, it is durable and stable.
• Economical modular system. M