501PL Rapid Sliding Quick Release Plate with 1/4, 3/8 inch Screws for Manfrotto 501 503HDV
The 501PL Quick Release Plate is a 9 cm (3.54 inch) long sliding quick release plate compatible with heads that use the RC5 quick release system. It comes supplied with one 1/4 inch and one 3/8 inch camera screw each, and features a location (video) pin.

Features:
Mounting screw diameter: 3/8 inch and 1/4 inch
501PL Quick Release Plate for 701HDV 501HDV 503HDV MH055M0-Q5
Compatible with heads that use the RC5 quick release system.
It comes supplied with one 1/4 inch and one 3/8 inch camera screw each, and features a location (video) pin.
Precisely engineered, black anodized, sealing it against corrosion and abrasion.
Rubber pad to protect your camera
Type: Photography tools
Package weight: 0.128 kg
Product size (L x W x H): 9 x 5 x 1 cm / 3.54 x 1.97 x 0.39 inches
Package size (L x W x H): 10 x 6 x 2 cm / 3.93 x 2.36 x 0.79 inches
Package contents: 1 x 501PL Quick Release Plate