Lead-Shielded Source Holder

16A-311 Lead Shield, 2 piece, each 1/8” thick, for one or two 1” dia x 1/8” thick check source. Overall size is 2 1/8” x 2 1/8”. Wt 0.5#’s, painted gray

16A-314 Lead Shield, 2 piece, each 1/8” thick, for four to eight 1” dia x 1/8” thick check source. Overall Size is 3” x 3”. Wt 0.75 #’s, painted gray