SP-70QB Arca/QD Mount QR Plate Screw and T-shaped screw are

Screw and T-shaped screw are stainless steel

（41mm）Length:2

Safety stop screws at both ends of the base to avoid accidental dropping from Arca or RRS ballhead clamps

Ultra-size adjusting knob provides better grip and locking

very easy and safe to use

SP-70QB Arca/QD Mount QR Plate Screw and T-shaped screw areModel: SP 70QBWidth: 1. 6in.41mmLength: 2. 7in.70mmNet Weight: 1. 6oz. 45g.Mounting Screw: 1 4 20Mounting Hole: UNC1 4 20Captive Slot Length: 0. 5in.13mmPackaging List: QR plate*1, Camera Screw*1, Shifting Set Screw*2, 4mm Wrench*1, 2. 5mm Wrench*1 SP 70QB is one universal Arca Swiss standard QR plate built with QD socket,it can be mounted on Arca standard tripod ballhead directly, as well as being attached on strap with QD sling swivel for easy