D2-20 - Complete Barndoor. Barndoor Frame with Two Rectangular & Two Triangular Leaves. All Expandable. Rotates 360 Degrees and Holds Two Accessories (Dichroic, Snoot, etc.). 1 Lb.D2-21 - Barndoor Frame. Same as D2-20 Minus Leaves. Holds Two Accessories; Joins Two Snoots. 4 Oz.D2-22 - Rectangular Leaf. Locks on Frame with 1/4 Turn Instant Release Connector. Has Two Expandable Wings. 4 Oz.D2-23 - Triangular Leaf. Locks on Frame with 1/4 Turn Instant Release Connector. Has Two Expandable Wings. 4 Oz.