General description An assortment of popular imperial slotted spring roll pins (spring dowel pins), featuring 10 different sizes ranging from 3/32" to 5/16". Technical specifications Sizes: 3/32" x 1", 1/8" x 1 1/2", 5/32" x 3/4", 5/32" x 2", 3/16" x 1", 3/16" x 2", 1/4" x 1", 1/4" x 2", 5/16" x 1", 5/16" x 2" BS Standard: 1804 Other information Assorted box of metric sizes available (range from 2.5mm to 8mm), please see Connect Part No. 31877.