Check the listing for details. Extended Spacer for Metabones adapter Gen 2 and up. Condition: New. Listed at 39.99 USD. Extended Spacer For Metabones Adapters ( gen 2 and newer)Product Description: Description:New Hejnar Photo Spacer for Metabones (GEN 2, 3, and 4) adapter. Original metabones adapter does not have sufficient clearance for some lenses to be mounted on monopods, tripods, and in combination with L brackets.You can mount Hejnar Photo universal L bracket to this spacer using two 1/4-20 taped hole on each side of mounting screw or if you are using non arca system you can mount mounting adapter to 1/4-20 taped hole located in front of spacer. This Spacer can be attached to metabones in ether direction base on balance requirements for your equipment. Compatible with:Markins including level release clampReally Right Stuff, including level release plate.Arca SwissWimberleyKirkPhoto ClamFoba Vanguard ABH Series Ball Heads (ABH is Vangaurds only Arca-Compatible series)Custom BracketsJobu DesignsAcratechOther Arca swiss type products Specification:1.75 inch wide1.5 inch long0.437 inch thick .Four 1/4-20 taped holes.Precision C.N.C machined from 6061-T6 Aluminum.Made in USABlack Anodized.Used with various lenses.Auction Includes:One spacer plate.One 1/4-20 x 0.400 inch captive style screw.Hex key for ¼-20 screw . Shipping Information:Free Shipping with USPS First Class Mail. Tracking information provided. USA Costumers please note that USPS packages may travel much longer than the estimated delivery time and tracking information is not always updated daily. If your order is time sensitive, you need daily tracking update please use FedEx, UPS or Express Mail as delivery service during checkout.