Feature: 1. Multiple Size for Option - 7 sizes of build plate, 196x126mm, 202x128mm, 135x80mm, 138x85mm,138x78mm, 140x84mm, 135x75mm, choose one for your 3d printer. 2. Applicable for SLA/DLP 3D Printers - Instead of chiseling parts off the aluminum-made build platform of SLA/DLP 3D printers, it is much easier to pop print parts off the build surface by flexing BIQU spring steel build plate slightly. 3. Premium Steel - High quality steel, good flatness and durability and its soft magnetic sticker boasts strong magnetic force. 4. Easy to Remove - Design with the ergonomic handle design, the steel plate is easier to be removed from the platform. 5. Stronger Adhesion - The wire drawing process on the surface enables the model to stick well to the plate. Specification: Features: Multiple Size for Option - 7 sizes of build plate, 196x126mm, 202x128mm, 135x80mm, 138x85mm,138x78mm, 140x84mm, 135x75mm, choose one for your 3d printer. Applicable for SLA/DLP 3D Printers - Instead of chiseling parts off the aluminum-made build platform of SLA/DLP 3D printers, it is much easier to print parts off the build surface by flexing spring steel build plate slightly. Premium Steel - High quality steel, good flatness and durability and its soft magnetic sticker boasts strong magnetic force. Easy to Remove - Design with the ergonomic handle design, the steel plate is easier to be removed from the platform. Stronger Adhesion - The wire drawing process on the surface enables the model to stick well to the plate. Specification: Material: Steel Color: Silver Size: 196x126mm, 202x128mm, 135x80mm, 138x85mm,138x78mm, 140x84mm, 135x75mm (Optional) Applicable 3D Printer: 196x126mm - Elegoo Saturn 202x128mm - Mono X 135x80mm - Photon/Photon S 138x85mm - Ld-002H 138x78mm - Ld-002R, Nova 3D Elfin, Zortrax Lnkspire 140x84mm - Elegoo Mars2 Pro 135x75mm - Elegoo Mars/Mars Pro, Wanhao D7,Phrozen sonic mini 4k Package Weight: 196x126mm - 218g/7.7oz 202x128mm - 225g/7.9oz 135x80mm - 94.5g/3.3oz 138x85mm - 102g/3.6oz 138x78mm - 93.5g/3.3oz 140x84mm - 104g/3.7oz 135x75mm - 90g/3.2oz Packing List: 1 x Build Surface with Magnetic Base Package List: 1 x Build Surface with Magnetic Base