A screwgate requires the user to manually thread a locking sleeve to secure the gate

Yes — see the Rescue Figure 8 Descender for a heavier-duty version rated for rescue applications

accessible

Is this for the right or left foot

PHOSPHO-JET 1 LITER shoulder straps A screwgate requires the userArborjet's PHOSPHO jet is a systemic fungicide and plant resistance activator for the suppression of various plant diseases. **Contains 45. 8% Phosphorous Acid 1 Liter treats 20 trees (10" DBH) Effective for: Sudden Oak Death, Anthracnose, Phytophthora, Black Spot, Scab, Fire Blight in Apple, Root Rot in Avocado and Citrus, Canker Blight and many others