577 Rapid Connect Adapter w/ Quick Release Plate Compatible Manfrotto 501PL Fr Slider Stabilizer Softbox Thread Size: 1/4 and 3/8"

Thread Size: 1/4 and 3/8" female mounting threads

Channels: 16

1/4'' screw

Carbon Steel bearings&rods

Flash Mode

577 Rapid Connect Adapter w/ Quick Release Plate Compatible Manfrotto 501PL Fr Slider Stabilizer Softbox Thread Size: 1/4 and 3/8"The QR 577gives you the freedom to remove the camera from the head without detaching it from the plate and put it on any other support. Compatible with the 501PL (old 3433PL) camera plate (supplied with the 3433, 3460, and 3465 heads) and the special 501PLONG accessory plate. Specifications Normal 0 7. 8 0 2 false false false EN US ZH CN X NONE Screw: 1 4" and 3 8" screws Thread Size: 1 4 and 3 8" female mounting threads Material : Aluminum Plate: