Rockford Systems’ Universal Ball and Socket Shields are high-impact-resistant 3/16ths-inch clear polycarbonate shields in a variety of sizes to protect operators from flying chips, sparks and coolant from tools. Holes in the left and right corners allow mounting on either side of a machine; arms for the shield come in 21-inch, 31-inch or 44-inch sizes, with prices ranging from $192 to $299.
