ABS cap with slotted opening to allow size adjustment. 300 series stainless steel backplate forms channel to hold up to 10 links of band allowing size adjustment. 4 mm snap stud machined from 300 series stainless steel. Fits to 4 mm spring loaded medical type socket. Coil cord disengages from snap with 1 - 5 lb. of perpendicular force. Inside links constructed of 300 series stainless steel. - Size is adjusted by sliding 1 to 10 links of the band into the backplate "C" channel. 300 series stainless steel clip for electrical contact between snap stud and backplate. Width of links is 0.63 Inch. 0.002 Inch polyphenylsulfone sheet is laminated to each link. Provides >5000V RMS insulation per ASTM D149. Scratch resistant.