Backstop Safety kit Display Components This white knife-edge wheel is

This white knife-edge wheel is embedded with a hard silicon carbide abrasive and quickly removes deep scratches on precious and non-precious metals

8mm flat head at the bottom of the wire

the shank tapers to 4

A black cotton-over-foam insert protects the stone

Style: Tray

Backstop Safety kit Display Components This white knife-edge wheel isTo help ensure your safety, Rio Grande has designed a specially modified backstop that will not break apart should you have a platinum blowout. This backstop, available exclusively from Rio Grande, can withstand the heat of the spilled metal without weakening and is included with all our vertical casters. If you have an older model caster, we strongly encourage you to order and install this safer backstop in place of the one included with your caster.