Gloves are made with red or black Type I natural rubber, blue Type II SALCOR®, or in contrasting blue/orange Type II SALCOR. They are extremely flexible to make working with small parts easy. 
The gloves meet or exceed ASTM D120 and IEC EN60903 standards. 
Proof Test Voltage AC/DC: 2,500/10,000
Max Use Voltage AC/DC (when worn with leather protectors): 500/750