1/8xs hollow wall anchor. Pan Combo head. 1/8XS, 100-pieces, drill size: 5/16", grip range: 1/16" to 1/4", body length: 25/32", screw length: 1" No. 370003: 1/8S, 100-pieces, drill size: 5/16", grip range: 1/8" to 1/2", body length: 1-1/4", screw length: 1-1/2" No. 370006: 1/8L, 100-pieces, drill size: 5/16", grip range: 5/8" to 7/8", body length: 1-11/16", screw length: 2" No. 370012: 3/16S, 50-pieces, drill size: 3/8", grip range: 5/8" to 1-3/16", body length: 2-1/16", screw length: 2-3/4" No. 370015: 3/16L, 50-pieces, drill size: 7/16", grip range: 1/8" to 5/8", body length: 2-1/16", screw length: 2-1/4" No. 370021: 1/4S, 50-pieces, drill size: 5/16", grip range: 1-1/4" to 1-3/4", body length: 2-1/4", screw length: 2-1/2"