Flashpoint Swivel Umbrella Holder with Cold Shoe Flashpoint Swivel Umbrella Holder - 1- 1/4"-20 Female to 3/8" Female Stud - 1- 1/4"-20 Male to 3/8"-16 Male stud - Flashpoint Lifetime USA Warranty Adorama Valuable Bundle. Kit Includes. Flashpoint Swivel Umbrella Holder, 1 1/4"-20 Female to 3/8" Female Stud, 1-1/4"-20 Male to 3/8"-16 Male Stud, Flashpoint Lifetime USA Warranty. Flashpoint Adjustable Coldshoe Mount with 1/4-20 Hole.