Jobe's 16-4-4 Tree & Shrub Fertilizer Spikes (15-Pack) blend Also includes contour air control

Also includes contour air control handle

Rubber over-molded hand grip for comfort

If you’re hitting the road for a while

Wheel ratchet is easy to use and creates a firm comfortable fit

Left or right hand opening

Jobe's 16-4-4 Tree & Shrub Fertilizer Spikes (15-Pack) blend Also includes contour air controlFertilizer spikes specially formulated for all deciduous trees and shrubs. Insert around the tree's drip line, and let the rain do the rest. Apply in early spring and late fall for best results. Easy to use, no wasteful runoff, no mess, and odor free. Slow release formula. A single application can feed for up to 90 days.