Add personality and efficiency to your operatory with fun, contemporary Spectrum Neon Bur Blocks. Tough plastic is steam and chemical autoclavable to 250°F. Features inner magnetic retainer. Holds 14 FG burs or mandrels up to 3/32" diameter. Measures 3" x 1 1/2". Available in grape, hot pink, lemon yellow, parrot green, peacock blue and tangerine.